Richard A. Williamson

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Rochester, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Condensing gas appliance and condensate trap therefor
- Patent number 8,931,438
- Issue date Jan 13, 2015
- Laars Heating Systems Company
- Bertram L. Walters
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR TRAPPING AND NEUTRALIZING CONDENSATE IN A CO...
- Publication number 20130118608
- Publication date May 16, 2013
- Laars Heating Systems Company
- Chris Holiday
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
CONDENSING GAS APPLIANCE AND CONDENSATE TRAP THEREFOR
- Publication number 20120240869
- Publication date Sep 27, 2012
- Laars Heating Systems Company
- Bertram L. Walters
- F24 - HEATING RANGES VENTILATING