Blake Hwang

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Structure of a connecting joint of a case
- Patent number 5,090,836
- Issue date Feb 25, 1992
- Blake Hwang
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Numerical lock
- Patent number 4,860,561
- Issue date Aug 29, 1989
- Blake Hwang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Adjustable combination numerical lock
- Patent number 4,754,623
- Issue date Jul 5, 1988
- Blake Hwang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Combination lock for briefcases
- Patent number 4,719,777
- Issue date Jan 19, 1988
- Blake Hwang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Combined combination and key-type lock
- Patent number 4,557,122
- Issue date Dec 10, 1985
- Blake Hwang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES