Jeffrey Ngai

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Markham, CA

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Patents Grantslast 30 patents

Information Patent Grant
Cooling arrangement for centering device and spline shaft
- Patent number 7,547,207
- Issue date Jun 16, 2009
- Stack Teck Systems Ltd.
- Mihai Berceanu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
COOLING ARRANGEMENT FOR CENTERING DEVICE AND SPLINE SHAFT
- Publication number 20070275111
- Publication date Nov 29, 2007
- STACK TECK SYSTEMS LTD.
- Mihai Berceanu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL