David O. Ross

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Montgomery, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Molded polymeric fluid storage tank, and associated fabrication met...
- Patent number 5,923,819
- Issue date Jul 13, 1999
- Rheem Manufacturing Company
- David O. Ross
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Wet-base, down-fired water heater
- Patent number 5,699,756
- Issue date Dec 23, 1997
- Rheem Manufacturing Co.
- David O. Ross
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Water heater having molded plastic storage tank and associated fabr...
- Patent number 5,668,922
- Issue date Sep 16, 1997
- Rheem Manufacturing Company
- David O. Ross
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL