The Patent Finder

VMX/Opcom

Also on record
Records under this name other than patents VMX/Opcom holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 2 of 2 · Back to VMX/Opcom

PatentTitleStatus Expires Confidence
US 4,926,462Interface to and operation of a voice messaging system
Term ended
Term ended no later than May 15, 2010 · Low confidence
Term endedTerm ended no later than May 15, 2010Low confidence
US 5,117,451Interface to and operation of a voice messaging system
Term ended
Term ended no later than May 26, 2012 · Low confidence
Term endedTerm ended no later than May 26, 2012Low confidence
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited