Gilbert M. Masters

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Menlo Park, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Freeze protection apparatus for solar collectors
- Patent number 4,450,868
- Issue date May 29, 1984
- Eugene F. Duval
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Freeze protection apparatus for solar collectors
- Patent number 4,280,478
- Issue date Jul 28, 1981
- Eugene F. Duval
- F24 - HEATING RANGES VENTILATING