Microphone

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CPC
E06B2007/305

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EFIXED CONSTRUCTIONS E06Doors, windows, ladders E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL

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E06B2007/305Microphone

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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