William L. Vallett

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Old Hickory, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Gas water heater/boiler
- Patent number 4,793,800
- Issue date Dec 27, 1988
- Lochinvar Water Heater Corporation
- William L. Vallett
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Gas water heater/boiler
- Patent number 4,723,513
- Issue date Feb 9, 1988
- Lochinvar Water Heater Corporation
- William L. Vallett
- F24 - HEATING RANGES VENTILATING