William E. Creswick

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Sault Ste. Marie, CA

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Patents Grantslast 30 patents

Information Patent Grant
Thermodynamically integrated buildings
- Patent number 4,143,703
- Issue date Mar 13, 1979
- Isothermic Systems Limited
- William E. Creswick
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Thermodynamically integrated buildings
- Patent number 3,948,314
- Issue date Apr 6, 1976
- Isothermic Systems Ltd.
- William E. Creswick
- F24 - HEATING RANGES VENTILATING