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LeRoyce Ginn
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San Leandro, CA, US
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last 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