Anderson Yen

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrical control circuit for operating a garage door or similar d...
- Patent number 4,404,558
- Issue date Sep 13, 1983
- Anderson Yen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Alarm circuit for generating syllable-pause alarm codes
- Patent number 4,257,035
- Issue date Mar 17, 1981
- Anderson Yen
- G08 - SIGNALLING