N. Thomas Christman

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Greenfield, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Air sampling apparatus and methods
- Patent number 9,011,348
- Issue date Apr 21, 2015
- QuinTron Instrument Company, Inc.
- N. Thomas Christman
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Air sampling apparatus and methods
- Publication number 20090318823
- Publication date Dec 24, 2009
- N. Thomas Christman
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE