Search

Ephrem Zeru Mebrahtu

Examiner (ID: 7126, Phone: (571)272-8386 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2872
Total Applications
581
Issued Applications
401
Pending Applications
68
Abandoned Applications
126

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 10568831 [patent_doc_number] => 09291997 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-03-22 [patent_title] => 'High speed hologram recording apparatus and method' [patent_app_type] => utility [patent_app_number] => 13/846251 [patent_app_country] => US [patent_app_date] => 2013-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4990 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13846251 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/846251
High speed hologram recording apparatus and method Mar 17, 2013 Issued
Array ( [id] => 10078503 [patent_doc_number] => 09116350 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-25 [patent_title] => 'MEMS scanning mirror field of view provision methods and apparatus' [patent_app_type] => utility [patent_app_number] => 13/997986 [patent_app_country] => US [patent_app_date] => 2013-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 6389 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13997986 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/997986
MEMS scanning mirror field of view provision methods and apparatus Mar 10, 2013 Issued
Array ( [id] => 8961950 [patent_doc_number] => 20130201552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-08 [patent_title] => 'SPECIAL-ILLUMINATION SURGICAL STEREOMICROSCOPE' [patent_app_type] => utility [patent_app_number] => 13/751178 [patent_app_country] => US [patent_app_date] => 2013-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7675 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13751178 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/751178
SPECIAL-ILLUMINATION SURGICAL STEREOMICROSCOPE Jan 27, 2013 Abandoned
Array ( [id] => 12530577 [patent_doc_number] => 10007041 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-26 [patent_title] => Optical depolarizer [patent_app_type] => utility [patent_app_number] => 13/747022 [patent_app_country] => US [patent_app_date] => 2013-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 7450 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13747022 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/747022
Optical depolarizer Jan 21, 2013 Issued
Array ( [id] => 8938448 [patent_doc_number] => 20130188245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-25 [patent_title] => 'MATERIALS, COMPONENTS, AND METHODS FOR USE WITH EXTREME ULTRAVIOLET RADIATION IN LITHOGRAPHY AND OTHER APPLICATIONS' [patent_app_type] => utility [patent_app_number] => 13/745618 [patent_app_country] => US [patent_app_date] => 2013-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8297 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13745618 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/745618
Materials, components, and methods for use with extreme ultraviolet radiation in lithography and other applications Jan 17, 2013 Issued
Array ( [id] => 9305003 [patent_doc_number] => 20140043677 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-02-13 [patent_title] => 'INFRARED-CUT FILTER OF LOW COST AND HIGH QUALITY AND LENS MODULE' [patent_app_type] => utility [patent_app_number] => 13/740233 [patent_app_country] => US [patent_app_date] => 2013-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1021 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13740233 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/740233
INFRARED-CUT FILTER OF LOW COST AND HIGH QUALITY AND LENS MODULE Jan 12, 2013 Abandoned
Array ( [id] => 8948872 [patent_doc_number] => 20130194652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-01 [patent_title] => 'REFLECTIVE SUBSTRATE AND METHOD OF MANUFACTURING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/724681 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2370 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13724681 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/724681
REFLECTIVE SUBSTRATE AND METHOD OF MANUFACTURING THE SAME Dec 20, 2012 Abandoned
Array ( [id] => 9535908 [patent_doc_number] => 20140160554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-12 [patent_title] => 'IMAGE DISPLAY APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/712660 [patent_app_country] => US [patent_app_date] => 2012-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 9991 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13712660 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/712660
Electrically switchable light-modulating cell with via for image display apparatus Dec 11, 2012 Issued
Array ( [id] => 9077962 [patent_doc_number] => 20130263491 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-10 [patent_title] => 'DOT-SIGHT DEVICE WITH POLARIZERS' [patent_app_type] => utility [patent_app_number] => 13/683137 [patent_app_country] => US [patent_app_date] => 2012-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5121 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13683137 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/683137
DOT-SIGHT DEVICE WITH POLARIZERS Nov 20, 2012 Abandoned
Array ( [id] => 11738524 [patent_doc_number] => 09703101 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-07-11 [patent_title] => 'See-through head or helmet mounted display device' [patent_app_type] => utility [patent_app_number] => 14/437944 [patent_app_country] => US [patent_app_date] => 2012-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 7805 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 349 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14437944 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/437944
See-through head or helmet mounted display device Oct 22, 2012 Issued
Array ( [id] => 8915007 [patent_doc_number] => 20130176632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-11 [patent_title] => 'HABITAT VIEWING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/632246 [patent_app_country] => US [patent_app_date] => 2012-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4692 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13632246 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/632246
HABITAT VIEWING DEVICE Sep 30, 2012 Abandoned
Array ( [id] => 12391290 [patent_doc_number] => 09964674 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-08 [patent_title] => Retroreflective articles including a security mark [patent_app_type] => utility [patent_app_number] => 14/344794 [patent_app_country] => US [patent_app_date] => 2012-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4345 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14344794 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/344794
Retroreflective articles including a security mark Sep 20, 2012 Issued
Array ( [id] => 9640666 [patent_doc_number] => 20140218778 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-07 [patent_title] => 'Hologram' [patent_app_type] => utility [patent_app_number] => 14/241785 [patent_app_country] => US [patent_app_date] => 2012-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3467 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14241785 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/241785
Hologram Aug 30, 2012 Abandoned
Array ( [id] => 9900038 [patent_doc_number] => 20150055238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-26 [patent_title] => 'COLOR FILTER AND MANUFACTURING METHOD FOR THE SAME' [patent_app_type] => utility [patent_app_number] => 13/641131 [patent_app_country] => US [patent_app_date] => 2012-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3780 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13641131 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/641131
Color filter and manufacturing method for the same May 22, 2012 Issued
Array ( [id] => 8494366 [patent_doc_number] => 20120293774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-22 [patent_title] => 'PROJECTOR LENS SYSTEM AND IMAGE DISPLAY SYSTEM USING SAME' [patent_app_type] => utility [patent_app_number] => 13/469702 [patent_app_country] => US [patent_app_date] => 2012-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 32 [patent_no_of_words] => 11780 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13469702 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/469702
PROJECTOR LENS SYSTEM AND IMAGE DISPLAY SYSTEM USING SAME May 10, 2012 Abandoned
Array ( [id] => 9105879 [patent_doc_number] => 20130279011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-24 [patent_title] => 'PRIVATE VIEW PROTECTOR' [patent_app_type] => utility [patent_app_number] => 13/978646 [patent_app_country] => US [patent_app_date] => 2012-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 8316 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13978646 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/978646
PRIVATE VIEW PROTECTOR Apr 9, 2012 Abandoned
Array ( [id] => 9159903 [patent_doc_number] => 20130308180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-21 [patent_title] => 'INFRARED REFLECTIVE SUBSTRATE' [patent_app_type] => utility [patent_app_number] => 13/983237 [patent_app_country] => US [patent_app_date] => 2012-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8746 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13983237 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/983237
INFRARED REFLECTIVE SUBSTRATE Jan 29, 2012 Abandoned
Array ( [id] => 11232161 [patent_doc_number] => 09459384 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-04 [patent_title] => 'Diffraction optical system using free curve surface prism, and image capturing device' [patent_app_type] => utility [patent_app_number] => 13/982788 [patent_app_country] => US [patent_app_date] => 2012-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 8313 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13982788 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/982788
Diffraction optical system using free curve surface prism, and image capturing device Jan 17, 2012 Issued
Array ( [id] => 9119535 [patent_doc_number] => 20130286457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-31 [patent_title] => 'Device for Forming an Interference Grating on a Sample' [patent_app_type] => utility [patent_app_number] => 13/976554 [patent_app_country] => US [patent_app_date] => 2011-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4042 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13976554 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/976554
Device for forming an interference grating on a sample Dec 20, 2011 Issued
Array ( [id] => 10051970 [patent_doc_number] => 09091841 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-28 [patent_title] => 'Zooming optical system, optical apparatus having the zooming optical system, and method for manufacturing zooming optical system' [patent_app_type] => utility [patent_app_number] => 13/994730 [patent_app_country] => US [patent_app_date] => 2011-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 24 [patent_no_of_words] => 11056 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13994730 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/994730
Zooming optical system, optical apparatus having the zooming optical system, and method for manufacturing zooming optical system Dec 13, 2011 Issued
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