Dave Gerwing

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Greely, CA

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Patents Grantslast 30 patents

Information Patent Grant
Device and system for management of battery back up power source
- Patent number 6,329,792
- Issue date Dec 11, 2001
- Estco Energy Inc.
- James H. Dunn
- G01 - MEASURING TESTING
Information Patent Grant
Device for managing battery packs by selectively monitoring and ass...
- Patent number 6,239,579
- Issue date May 29, 2001
- Estco Battery Management Inc.
- James H. Dunn
- G01 - MEASURING TESTING
Information Patent Grant
Product irradiator
- Patent number 6,215,847
- Issue date Apr 10, 2001
- MDS Nordion Inc.
- Rob Perrins
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE