Questech Limited
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 29, 2001 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 120 Total Citation Count
- Jan 26, 1988 Earliest Filing
- 14 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5822015 Providing an accurate tally indication of sources in use for outputExpiredNov 28, 95Oct 13, 98[H04N]
5663868 Stackable electronic equipment assembly with improved circuit board cooling arrangementExpiredSep 14, 95Sep 02, 97[H05K]
5293233 Digital video effects with image mapping on to curved surfaceExpiredJul 10, 92Mar 08, 94[H04N, G06F]
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