Kong C. Kwai

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Mount Joy, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Personal safety light
- Patent number D340777
- Issue date Oct 26, 1993
- Vista Lite, Inc.
- Robert S. Choi
- D26 - Lighting
Information Patent Grant
Double oscillator battery powered flashing superluminescent light e...
- Patent number 5,175,528
- Issue date Dec 29, 1992
- Grace Technology, Inc.
- Robert S. Choi
- G08 - SIGNALLING