Optum Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5796104 Pyroelectric center of mass imagingExpiredMar 07, 97Aug 18, 98[G01T]
5604517 Electronic drawing deviceExpiredJan 14, 94Feb 18, 97[G09G]
5514635 Thermal writing surface and method for making the sameExpiredDec 29, 93May 07, 96[B41M]
5079627 VideophoneExpiredJun 29, 89Jan 07, 92[H04N]
5068739 Method to image transparent media utilizing integrated scanningExpiredFeb 10, 89Nov 26, 91[H04N, G03F]
5047870 Image reproduction system utilizing single operation scanning/reproducingExpiredMar 17, 88Sep 10, 91[H04N]
4930686 Self-pressurizing sprayer having inlet pressure responsive valveExpiredDec 21, 88Jun 05, 90[B05B, B65D]
4872063 Method to increase scanning resolution using a synthetic apertureExpiredMar 17, 88Oct 03, 89[H04N]

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