Ernest F. Root

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Nashua, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-jigging method of fabricating solar collector heat trap from f...
- Patent number 4,068,361
- Issue date Jan 17, 1978
- Itek Corporation
- Ernest F. Root
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Highly efficient solar collector including means for preventing cov...
- Patent number 4,046,135
- Issue date Sep 6, 1977
- Itek Corporation
- Ernest F. Root
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Solar collector automatic freeze protection system
- Patent number 4,044,754
- Issue date Aug 30, 1977
- Itek Corporation
- Paul W. Cronin
- F24 - HEATING RANGES VENTILATING