Quantor Corporation

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4281895 Quick change lens mountExpiredApr 12, 79Aug 04, 81[F16L, F16B, G02B]
4266855 Quick change lens systemExpiredSep 24, 79May 12, 81[G02B, G03B]
4255037 High speed, low temperature and pressure diazo processing apparatusExpiredApr 17, 78Mar 10, 81[G03D]
4243310 High speed, low temperature diazo processorExpiredApr 19, 79Jan 06, 81[G03D]
4185913 Apparatus for recording multiple, superimposed, independent images on microfilmExpiredDec 15, 77Jan 29, 80[F16M, G03B]

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