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Ronald G. Avery
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Bethel, CT, US
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last 30 patents
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Patent Grant
Passive infrared intrusion detector unit
Patent number
D277652
Issue date
Feb 19, 1985
Cerberus AG
William G. Kahl
D10 - Measuring, testing, or signalling instruments
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Patent Grant
Infrared intrusion detector with response indicator light
Patent number
4,460,829
Issue date
Jul 17, 1984
Cerberus AG
Richard Settanni
G08 - SIGNALLING
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Patent Grant
Infrared intrusion detector with optical pattern locators
Patent number
4,451,733
Issue date
May 29, 1984
Cerberus AG
Ronald G. Avery
G08 - SIGNALLING