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Lester R. Mathews
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Phoenix, AZ, US
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Patents Grants
last 30 patents
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Patent Grant
Perimeter monitoring system
Patent number
6,288,644
Issue date
Sep 11, 2001
Caretaker System, Inc.
Lester R. Mathews
G08 - SIGNALLING
Patents Applications
last 30 patents
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Patent Application
Perimeter monitoring system
Publication number
20030189487
Publication date
Oct 9, 2003
Lester R. Mathews
G08 - SIGNALLING