Forester W. Isen

Array ( [id] => 2536320 [patent_doc_number] => 04888808 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-12-19 [patent_title] => 'Digital equalizer apparatus enabling separate phase and amplitude characteristic modification' [patent_app_type] => 1 [patent_app_number] => 7/171713 [patent_app_country] => US [patent_app_date] => 1988-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 53 [patent_figures_cnt] => 93 [patent_no_of_words] => 22819 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/888/04888808.pdf [firstpage_image] =>[orig_patent_app_number] => 171713 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2640872 [patent_doc_number] => 04916741 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-10 [patent_title] => 'FM/FMX stereophonic receiver' [patent_app_type] => 1 [patent_app_number] => 7/170908 [patent_app_country] => US [patent_app_date] => 1988-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 4051 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/916/04916741.pdf [firstpage_image] =>[orig_patent_app_number] => 170908 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2502986 [patent_doc_number] => 04860363 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-22 [patent_title] => 'Loudspeaker system' [patent_app_type] => 1 [patent_app_number] => 7/171224 [patent_app_country] => US [patent_app_date] => 1988-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 19 [patent_no_of_words] => 2565 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/860/04860363.pdf [firstpage_image] =>[orig_patent_app_number] => 171224 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2479075 [patent_doc_number] => 04845751 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-04 [patent_title] => 'Wireless stereo headphone' [patent_app_type] => 1 [patent_app_number] => 7/169014 [patent_app_country] => US [patent_app_date] => 1988-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1235 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/845/04845751.pdf [firstpage_image] =>[orig_patent_app_number] => 169014 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2890859 [patent_doc_number] => 05119427 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'Extended frequency range Helmholtz resonators' [patent_app_type] => 1 [patent_app_number] => 7/167886 [patent_app_country] => US [patent_app_date] => 1988-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4176 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/119/05119427.pdf [firstpage_image] =>[orig_patent_app_number] => 167886 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2522886 [patent_doc_number] => 04841572 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-20 [patent_title] => 'Stereo synthesizer' [patent_app_type] => 1 [patent_app_number] => 7/167615 [patent_app_country] => US [patent_app_date] => 1988-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 6187 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/841/04841572.pdf [firstpage_image] =>[orig_patent_app_number] => 167615 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2479245 [patent_doc_number] => 04845759 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-04 [patent_title] => 'Sound source having a plurality of drivers operating from a virtual point' [patent_app_type] => 1 [patent_app_number] => 7/170099 [patent_app_country] => US [patent_app_date] => 1988-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1758 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/845/04845759.pdf [firstpage_image] =>[orig_patent_app_number] => 170099 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2596609 [patent_doc_number] => 04908858 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-03-13 [patent_title] => 'Stereo processing system' [patent_app_type] => 1 [patent_app_number] => 7/166181 [patent_app_country] => US [patent_app_date] => 1988-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2730 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 508 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/908/04908858.pdf [firstpage_image] =>[orig_patent_app_number] => 166181 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2496875 [patent_doc_number] => 04866775 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-12 [patent_title] => 'Intergrated multisound signal demodulator circuit' [patent_app_type] => 1 [patent_app_number] => 7/165500 [patent_app_country] => US [patent_app_date] => 1988-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5465 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/866/04866775.pdf [firstpage_image] =>[orig_patent_app_number] => 165500 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2571901 [patent_doc_number] => 04837824 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-06 [patent_title] => 'Stereophonic image widening circuit' [patent_app_type] => 1 [patent_app_number] => 7/162978 [patent_app_country] => US [patent_app_date] => 1988-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4621 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/837/04837824.pdf [firstpage_image] =>[orig_patent_app_number] => 162978 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2595907 [patent_doc_number] => 04891841 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-01-02 [patent_title] => 'Reciprocal, subtractive, audio spectrum equalizer' [patent_app_type] => 1 [patent_app_number] => 7/158697 [patent_app_country] => US [patent_app_date] => 1988-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3094 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/891/04891841.pdf [firstpage_image] =>[orig_patent_app_number] => 158697 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2497283 [patent_doc_number] => 04821323 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-11 [patent_title] => 'Stereo headphone' [patent_app_type] => 1 [patent_app_number] => 7/157710 [patent_app_country] => US [patent_app_date] => 1988-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3040 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/821/04821323.pdf [firstpage_image] =>[orig_patent_app_number] => 157710 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2777369 [patent_doc_number] => 05036541 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-30 [patent_title] => 'Modulation effect device' [patent_app_type] => 1 [patent_app_number] => 7/161344 [patent_app_country] => US [patent_app_date] => 1988-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 5434 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/036/05036541.pdf [firstpage_image] =>[orig_patent_app_number] => 161344 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2567127 [patent_doc_number] => 04809328 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-28 [patent_title] => 'FM/FMX stereophonic receiver' [patent_app_type] => 1 [patent_app_number] => 7/157048 [patent_app_country] => US [patent_app_date] => 1988-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5805 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/809/04809328.pdf [firstpage_image] =>[orig_patent_app_number] => 157048 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2503113 [patent_doc_number] => 04860370 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-22 [patent_title] => 'Magnetically suspended acoustical speaker' [patent_app_type] => 1 [patent_app_number] => 7/155601 [patent_app_country] => US [patent_app_date] => 1988-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2049 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/860/04860370.pdf [firstpage_image] =>[orig_patent_app_number] => 155601 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2595855 [patent_doc_number] => 04891839 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-01-02 [patent_title] => 'Signal re-distribution, decoding and processing in accordance with amplitude, phase and other characteristics' [patent_app_type] => 1 [patent_app_number] => 7/100888 [patent_app_country] => US [patent_app_date] => 1988-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 22 [patent_no_of_words] => 23480 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/891/04891839.pdf [firstpage_image] =>[orig_patent_app_number] => 100888 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2571919 [patent_doc_number] => 04837825 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-06 [patent_title] => 'Passive ambience recovery system for the reproduction of sound' [patent_app_type] => 1 [patent_app_number] => 7/145284 [patent_app_country] => US [patent_app_date] => 1988-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2228 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/837/04837825.pdf [firstpage_image] =>[orig_patent_app_number] => 145284 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 2526699 [patent_doc_number] => 04852167 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-25 [patent_title] => 'FMX stereophonic receiver' [patent_app_type] => 1 [patent_app_number] => 7/143805 [patent_app_country] => US [patent_app_date] => 1988-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 4543 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/852/04852167.pdf [firstpage_image] =>[orig_patent_app_number] => 143805 [rel_patent_id] =>[rel_patent_doc_number] =>)