CHAN WAI KEUNG

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TO KWA WAN, HK

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Patents Grantslast 30 patents

Information Patent Grant
Finger positioning device for a printer
- Patent number 8,757,171
- Issue date Jun 24, 2014
- Mattel, Inc.
- Christopher L. Goff
- A45 - HAND OR TRAVELLING ARTICLES

Patents Applicationslast 30 patents

Information Patent Application
FINGER POSITIONING DEVICE FOR A PRINTER
- Publication number 20110108047
- Publication date May 12, 2011
- CHRISTOPHER L. GOFF
- A45 - HAND OR TRAVELLING ARTICLES