Products Research, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6055468 Vehicle system analyzer and tutorial unitExpiredAug 07, 95Apr 25, 00[H04B, G06F]
5844473 Method and apparatus for remotely collecting operational information of a mobile vehicleExpiredApr 12, 95Dec 01, 98[B60Q]
5715905 Vehicle access controllerExpiredFeb 05, 97Feb 10, 98[B60R]
5668312 Portable apparatus for testing electronic engine control systemsExpiredJul 23, 96Sep 16, 97[G01M]
5660246 Vehicle access controllerExpiredNov 09, 95Aug 26, 97[B60R]

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