Gordon C. Sylvester

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Verona, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable slot diffuser
- Patent number 4,491,062
- Issue date Jan 1, 1985
- Wehr Corporation
- Gordon C. Sylvester
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flow control unit for air distribution system
- Patent number 4,100,938
- Issue date Jul 18, 1978
- Wehr Corporation
- Konstantins Dravnieks
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Variable volume control box and system incorporating same
- Patent number 4,017,025
- Issue date Apr 12, 1977
- Wehr Corporation
- Konstantins Dravnieks
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Thermostatic control for use in variable air distribution systems
- Patent number 3,941,310
- Issue date Mar 2, 1976
- Wehr Corporation
- Dalny Travaglio
- F24 - HEATING RANGES VENTILATING