VCH INTERNATIONAL LIMITED

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4667277 Indicator lamp assemblyExpiredSep 20, 85May 19, 87[F21V]
4555749 LED Circuit board indicator housing and tie-bar assemblyExpiredMay 07, 84Nov 26, 85[F21V]
4345308 Alpha-numeric display array and method of manufactureExpiredOct 14, 80Aug 17, 82[F21V]
4336580 Alpha-numeric display array and method of manufactureExpiredOct 14, 80Jun 22, 82[F21V]
4254453 Alpha-numeric display array and method of manufactureExpiredAug 25, 78Mar 03, 81[F21V]

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