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Wireless alarm system
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Patent number 5,987,058
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Issue date Nov 16, 1999
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Axonn Corporation
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H. Britton Sanderford
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G08 - SIGNALLING
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Wireless alarm system
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Patent number 5,598,427
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Issue date Jan 28, 1997
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Axonn Corporation
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James D. Arthur
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G08 - SIGNALLING
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Wireless alarm system
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Patent number 5,095,493
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Issue date Mar 10, 1992
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Axonn Corporation
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James D. Arthur
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G08 - SIGNALLING
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Wireless alarm system
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Patent number 5,067,136
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Issue date Nov 19, 1991
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Axonn Corporation
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James D. Arthur
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G08 - SIGNALLING
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Wireless alarm system
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Patent number 4,977,577
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Issue date Dec 11, 1990
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Axonn Corporation
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James D. Arthur
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G08 - SIGNALLING
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