David Jonathan Hassell

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Titirangi, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Vapor recovery pump regulation of pressure to maintain air to liqui...
- Patent number 8,770,237
- Issue date Jul 8, 2014
- Veeder-Root Company
- David Bolt
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...

Patents Applicationslast 30 patents

Information Patent Application
VAPOR RECOVERY PUMP REGULATION OF PRESSURE TO MAINTAIN AIR TO LIQUI...
- Publication number 20110162753
- Publication date Jul 7, 2011
- VEEDER-ROOT COMPANY
- David Bolt
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...