Sarah Seen Yui Chan Ng

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El Monte, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-scrambling combination lock
- Patent number 7,946,141
- Issue date May 24, 2011
- Kwan Yuen Abraham Ng
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Reinforced flexible hose with leakage indicator and method of makin...
- Patent number 7,631,666
- Issue date Dec 15, 2009
- Kwan Yuen Abraham Ng
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
PROGRAMMABLE ELECTRONIC LOCKBOX SYSTEM
- Publication number 20120119877
- Publication date May 17, 2012
- Kwan Yuen Abraham Ng
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
METHOD OF MAKING REINFORCED FLEXIBLE HOSE WITH LEAKAGE INDICATOR
- Publication number 20100089521
- Publication date Apr 15, 2010
- Kwan Yuen Abraham Ng
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...