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Cohen; Stephen C.
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San Antonio, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Kit for retrofitting a door with a security lock system
Patent number
6,032,500
Issue date
Mar 7, 2000
Cohen; Stephen C.
Thomas H. Collard
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Remotely controlled door lock
Patent number
5,852,944
Issue date
Dec 29, 1998
Cohen; Stephen C.
Thomas H. Collard
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES