Douglas Coleman Barth

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Tigard, OR, US

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Patents Applicationslast 30 patents

Information Patent Application
QUANTITATIVE AEROSOL GENERATOR (QAG)
- Publication number 20090108090
- Publication date Apr 30, 2009
- Cooper Environmental Services LLC
- John A. Cooper
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Quantitative aerosol generator (QAG) method and apparatus
- Publication number 20080296400
- Publication date Dec 4, 2008
- John Arthur Cooper
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL