David John Parkinson

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Auckland, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Control valve
- Patent number 7,261,126
- Issue date Aug 28, 2007
- Emech Control Limited
- Peter James Jeromson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Control valve
- Publication number 20050194053
- Publication date Sep 8, 2005
- Peter James Jeromson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...