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Claiborne Electronics, Inc.
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Cincinnati, OH, US
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Patents Grants
last 30 patents
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
Combined door viewer and two-way intercom unit
Patent number
D283130
Issue date
Mar 25, 1986
Claiborne Electronics, Inc.
Charles B. Boenning
D14 - Recording, communication, or information retrieval equipment