Daniel Xu

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West Covina, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Axial spring balancing pin tumbler lock
- Patent number 7,685,854
- Issue date Mar 30, 2010
- Forrest Xu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
High Security Cylinder Lock
- Publication number 20100024499
- Publication date Feb 4, 2010
- Forrest Xu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Axial spring balancing pin tumbler lock
- Publication number 20090188287
- Publication date Jul 30, 2009
- Forrest Xu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES