David P. Hatz

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Wayzata, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
High pressure washout of explosives agents
- Patent number 5,737,709
- Issue date Apr 7, 1998
- Heather L. Getty
- B08 - CLEANING
Information Patent Grant
Process for recycling laden fluids
- Patent number 5,538,641
- Issue date Jul 23, 1996
- Global Environmental Solutions, Inc.
- Heather L. Getty
- C06 - EXPLOSIVES MATCHES