Ryan Massey

Array ( [id] => 2726824 [patent_doc_number] => 04997414 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-05 [patent_title] => 'Torque equalizer for contrarotary shafts' [patent_app_type] => 1 [patent_app_number] => 7/254941 [patent_app_country] => US [patent_app_date] => 1988-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 1485 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/997/04997414.pdf [firstpage_image] =>[orig_patent_app_number] => 254941 [rel_patent_id] =>[rel_patent_doc_number] =>)