Bun Wong

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Tsuen Wan, HK

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Patents Grantslast 30 patents

Information Patent Grant
Lamp holder
- Patent number 6,808,292
- Issue date Oct 26, 2004
- Bun Wong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lamp socket
- Patent number 6,808,425
- Issue date Oct 26, 2004
- Bun Wong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rotary stepping switch
- Patent number D490379
- Issue date May 25, 2004
- Bun Wong
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Electrical switch
- Patent number D427154
- Issue date Jun 27, 2000
- Bun Wong
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Electrical switch
- Patent number D399494
- Issue date Oct 13, 1998
- Bun Wong
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Electrical switch
- Patent number D387331
- Issue date Dec 9, 1997
- Bun Wong
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Electrical switch
- Patent number D383441
- Issue date Sep 9, 1997
- Bun Wong
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Electrical switch
- Patent number D383442
- Issue date Sep 9, 1997
- Bun Wong
- D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

Information Patent Application
Lamp holder
- Publication number 20040136188
- Publication date Jul 15, 2004
- Bun Wong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Lamp Socket
- Publication number 20030040225
- Publication date Feb 27, 2003
- Bun Wong
- H01 - BASIC ELECTRIC ELEMENTS