Clifford B. Lau

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Waipahu, HI, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical pointer input device
- Patent number 5,347,275
- Issue date Sep 13, 1994
- Clifford B. Lau
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Object pointer computer input apparatus
- Patent number 5,302,948
- Issue date Apr 12, 1994
- Clifford B. Lau
- G06 - COMPUTING CALCULATING COUNTING