Dik Man Yeung

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
RFID navigational system for robotic floor treater
- Patent number 7,877,166
- Issue date Jan 25, 2011
- S. C. Johnson & Son, Inc.
- Jeffrey L. Harwig
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
RFID navigational system for robotic floor treater
- Publication number 20060293794
- Publication date Dec 28, 2006
- Jeffrey L. Harwig
- G05 - CONTROLLING REGULATING