Coulter Systems Corporation
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 22, 1991 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,098 Total Citation Count
- May 20, 1977 Earliest Filing
- 61 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4628367 Method and device for reading digital data in an optical mass memory system using electrophotographyExpiredJan 29, 85Dec 09, 86[H04N]
4566781 Method of apparatus for liquid developing of electrostatic images in an electrophotographic imaging system including a looped image carrierExpiredJul 01, 83Jan 28, 86[G03G]
4566042 Electrophotographic imaging apparatus by variably placing pixel elementsExpiredAug 03, 84Jan 21, 86[H04N]
4533941 Method and apparatus for half-tone reproduction of a varying tone original imageExpiredJan 14, 83Aug 06, 85[H04N]
4504138 Method and apparatus for developing electrostatic latent imagesExpiredOct 27, 81Mar 12, 85[G03G]
4468707 High speed imaging of electrophotographic film by fine beam scanningExpiredMay 27, 82Aug 28, 84[H04M]
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