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Patents Grantslast 30 patents

Information Patent Grant
Device for prevention of accidental release of hand brake of motor...
- Patent number 5,291,764
- Issue date Mar 8, 1994
- Wen-Kuei Chang
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
LOCK CORE STRUCTURE
- Publication number 20150184422
- Publication date Jul 2, 2015
- WEN-KUEI CHANG
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
PORTABLE SAFETY DEVICE WITH TWO LOCKS
- Publication number 20140373578
- Publication date Dec 25, 2014
- WEN-KUEI CHANG
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES