Microphone

Industry

  • CPC
  • E06B2007/305
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door peephole viewer camera with wireless connectivity

    • Patent number 12,129,707
    • Issue date Oct 29, 2024
    • Erik Bakke
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Door security system

    • Patent number 4,809,320
    • Issue date Feb 28, 1989
    • Gary D. Hawkins
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Door-mounted combination intercom and viewer

    • Patent number 4,584,436
    • Issue date Apr 22, 1986
    • Claiborne Electronics, Inc.
    • Charles B. Boenning
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Audioscope project

    • Patent number 4,273,956
    • Issue date Jun 16, 1981
    • Jag International Sales Limited
    • Maynard F. Wolfe
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Combined mounting for through-the-wall viewer and intercom

    • Patent number 4,130,728
    • Issue date Dec 19, 1978
    • Stephen L. Grauel
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents