The Patent Finder

MNC, Inc.

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

Showing 1 to 5 of 5 · Back to MNC, Inc.

PatentTitleStatus Expires Confidence
US 5,001,763Electroacoustic device for hearing needs including noise cancellation
Term ended
Term ended no later than Mar 19, 2011 · Low confidence
Term endedTerm ended no later than Mar 19, 2011Low confidence
US 5,117,461Electroacoustic device for hearing needs including noise cancellation
Term ended
Term ended no later than May 26, 2012 · Low confidence
Term endedTerm ended no later than May 26, 2012Low confidence
US 5,134,659Method and apparatus for performing noise cancelling and headphoning
Term ended
Term ended no later than Jul 28, 2012 · Low confidence
Term endedTerm ended no later than Jul 28, 2012Low confidence
US 5,138,663Method and apparatus for performing noise cancelling and headphoning
Term ended
Term ended no later than Aug 11, 2012 · Low confidence
Term endedTerm ended no later than Aug 11, 2012Low confidence
US 5,524,058Apparatus for performing noise cancellation in telephonic devices and headwear
Term ended
Term ended no later than Jun 4, 2016 · Low confidence
Term endedTerm ended no later than Jun 4, 2016Low confidence
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited