Patrick Ping Wo POON

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Commutator
- Patent number 8,115,363
- Issue date Feb 14, 2012
- Johnson Electric S.A.
- Patrick Ping Wo Poon
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
COMMUTATOR
- Publication number 20090179519
- Publication date Jul 16, 2009
- Patrick Ping Wo POON
- H01 - BASIC ELECTRIC ELEMENTS