Thomas S. S. Hu

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Corona, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Single and double latch operating devices with improved rack-pinion...
- Patent number 4,725,085
- Issue date Feb 16, 1988
- Kwikset Corporation
- Thomas S. S. Hu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Doorlatch knob assembly having front end loading
- Patent number 4,672,829
- Issue date Jun 16, 1987
- Kwikset Corporation
- Arnold C. Gater
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Knob assembly for doorlatches including free knob rotation and fron...
- Patent number 4,631,944
- Issue date Dec 30, 1986
- Kwikset Corporation
- Arnold C. Gater
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES