David Clinton Wong

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Wisborough Green, GB

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Patents Grantslast 30 patents

Information Patent Grant
Compound vacuum pumps
- Patent number 5,611,660
- Issue date Mar 18, 1997
- The BOC Group plc
- David C. Wong
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Integrated pump apparatus for semiconductor processing
- Publication number 20070020115
- Publication date Jan 25, 2007
- The BOC Group, Inc.
- Graeme Huntley
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...