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PRC Inc.

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Records under this name other than patents PRC Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 6,615,135Satellite Based On-Board Vehicle Navigation System Including Predictive Filtering and Map-Matching to Reduce Errors in a Vehicular Position
Formerly held
Term ended
Term ended May 24, 2021 · High confidence
Term endedTerm ended May 24, 2021High confidence
US 6,810,392Method and apparatus for estimating computer software development effort
Formerly held
Term ended
Term ended Feb 27, 2021 · From the USPTO record
Term endedTerm ended Feb 27, 2021From the USPTO record
US 6,246,378Beam waveguide antenna with independently steerable antenna beams and method of compensating for planetary aberration in antenna beam tracking of spacecraft
Term ended
Term ended Nov 29, 2020 · From the USPTO record
Term endedTerm ended Nov 29, 2020From the USPTO record
US 6,982,764Image enhancement
Formerly held
Term ended
Term ended May 25, 2020 · From the USPTO record
Term endedTerm ended May 25, 2020From the USPTO record
US 7,019,773Video mosaic
Term ended
Term ended May 25, 2020 · From the USPTO record
Term endedTerm ended May 25, 2020From the USPTO record
US 6,901,400Method and apparatus for retrieving and converting remotely stored non-standard graphic images and storing the converted images in a database
Formerly held
Term ended
Term ended Oct 1, 2019 · From the USPTO record
Term endedTerm ended Oct 1, 2019From the USPTO record
US 6,225,961Beam waveguide antenna with independently steerable antenna beams and method of compensating for planetary aberration in antenna beam tracking of spacecraft
Formerly held
Term ended
Term ended Jul 27, 2019 · From the USPTO record
Term endedTerm ended Jul 27, 2019From the USPTO record
US 6,839,850Method and system for detecting intrusion into and misuse of a data processing system
Formerly held
Term ended
Term ended Mar 4, 2019 · From the USPTO record
Term endedTerm ended Mar 4, 2019From the USPTO record
US 6,741,743Imaged document optical correlation and conversion system
Formerly held
Term ended
Term ended Jan 31, 2019 · From the USPTO record
Term endedTerm ended Jan 31, 2019From the USPTO record
US 6,246,819Fiber optic cladding displacement connector
Term ended
Term ended Dec 11, 2018 · From the USPTO record
Term endedTerm ended Dec 11, 2018From the USPTO record
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