William R. Johnson

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Santa Cruz, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Prefabricated fireplace for permanent installation
- Patent number 4,271,815
- Issue date Jun 9, 1981
- Chinook Manufacturing Co.
- William R. Johnson
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Apollo model fireplace
- Patent number 4,182,305
- Issue date Jan 8, 1980
- Chinook Manufacturing Co.
- William R. Johnson
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Freestanding fireplace stove with heated air circulation
- Patent number 4,177,793
- Issue date Dec 11, 1979
- Chinook Manufacturing Co.
- William R. Johnson
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Free standing fireplace stove
- Patent number 4,068,649
- Issue date Jan 17, 1978
- Peerless Portable Metal Building
- William R. Johnson
- F24 - HEATING RANGES VENTILATING