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Irving L. Ellner
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Hopatcong, NJ, US
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last 30 patents
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Patent Grant
Optical smoke detector
Patent number
4,906,978
Issue date
Mar 6, 1990
Cerberus A.G.
James A. Best
G08 - SIGNALLING
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Patent Grant
Intrusion detection system
Patent number
4,333,093
Issue date
Jun 1, 1982
Baker Industries, Inc.
Samuel Raber
G08 - SIGNALLING