William R. Lehman

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Mountain Home, AR, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for removing contaminates from the air in a mail-...
- Patent number 6,960,244
- Issue date Nov 1, 2005
- American Safe Air, Inc.
- William R. Lehman
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
System and method for removing contaminates from the air in a mail-...
- Publication number 20030110946
- Publication date Jun 19, 2003
- William R. Lehman
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL