Peptek, Incorporated

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4778951 Arrays of resistive elements for use in touch panels and for producing electric fieldsExpiredJan 04, 88Oct 18, 88[G08C]
4755634 Conductive electrode arrays and arrays of resistive elements for use in touch panels and for producing electric fieldsExpiredJul 12, 83Jul 05, 88[G08C]
4430917 Hand-held musical instrument and systems including a man-machine interface apparatusExpiredAug 22, 79Feb 14, 84[G10H]
4371746 Edge terminations for impedance planesExpiredFeb 12, 80Feb 01, 83[G08C]
4353552 Touch panel system and methodExpiredJan 29, 80Oct 12, 82[A63F]
4302011 Video game apparatus and methodExpiredJan 30, 78Nov 24, 81[A63F]
4293734 Touch panel system and methodExpiredFeb 23, 79Oct 06, 81[G08C, G01N]
4198539 System for producing electric field with predetermined characteristics and edge terminations for resistance planes thereforExpiredJan 05, 78Apr 15, 80[G08C]

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