ANACOMP, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5717583 Power converter control apparatus for controlling commutation of switching devices under transient conditionsExpiredAug 03, 95Feb 10, 98[H02M]
5455874 Continuous-tone image compressionExpiredSep 20, 93Oct 03, 95[H04N, G06K]
5304462 Composition for and method of cleaning continuous, nonreplenished film developers and replenished film developersExpiredJul 20, 92Apr 19, 94[G03C]
5113219 Pneumatic pressure pad for cyclical even application of pressure forces, particularly for contact duplicationExpiredJun 04, 91May 12, 92[G03B]
4870755 Jigsaw with pneumatic dust blowerExpiredSep 06, 88Oct 03, 89[B25F]
4870435 Multiple lens image rotation systemExpiredMay 16, 88Sep 26, 89[G03B]
4783685 Reader-printerExpiredOct 02, 87Nov 08, 88[G03B]
4710691 Process and apparatus for characterizing and controlling a synchronous motor in microstepper modeExpiredMar 27, 86Dec 01, 87[H02P]
4389117 Microfiche separator and transport apparatusExpiredMay 21, 81Jun 21, 83[G03B]
D267328 Desk drawer microfiche readerExpiredMar 04, 80Dec 21, 82[D160]
D267251 Briefcase microfiche readerExpiredMar 04, 80Dec 14, 82[D160]
D264091 Desk drawer microfiche readerExpiredMar 04, 80Apr 27, 82[D160]
4242819 Microfiche carrier assemblyExpiredMay 22, 78Jan 06, 81[G03B]

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