LeRoy Ginn

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San Leandro, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable gas volume flow measuring and control methods and apparatus
- Patent number 4,796,651
- Issue date Jan 10, 1989
- Ginn; LeRoy D.
- LeRoy D. Ginn
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Pneumatic temperature reset differential pressure controller
- Patent number 4,077,567
- Issue date Mar 7, 1978
- Universal Pneumatic Controls, Inc.
- LeRoy Dry Ginn
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Dual duct variable volume air conditioning system
- Patent number 4,039,124
- Issue date Aug 2, 1977
- Universal Pneumatic Controls, Inc.
- LeRoy Ginn
- F24 - HEATING RANGES VENTILATING