ColorGraphics Systems, Inc.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 17, 1994 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 407 Total Citation Count
- May 18, 1983 Earliest Filing
- 11 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4839718 Luminance selection apparatus for video signal control systemExpiredFeb 04, 88Jun 13, 89[H04N]
4733295 Luminance selection apparatus for video signal control systemExpiredMay 15, 87Mar 22, 88[H04N]
4727412 Video signal correction system with low chrominance circuit for modifying currectionsExpiredJul 29, 85Feb 23, 88[H04N]
4710800 Apparatus for allowing operator selection of a color region of a video image for receiving color correctionsExpiredSep 16, 85Dec 01, 87[H04N]
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