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McConnell; David P.
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Minden, NV, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hydraulic fluid generator
Patent number
4,283,915
Issue date
Aug 18, 1981
McConnell; David P.
David P. McConnell
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Rotary manifold valve mechanism
Patent number
4,253,380
Issue date
Mar 3, 1981
McConnell; David P.
David P. McConnell
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Fluid operated engine
Patent number
4,122,757
Issue date
Oct 31, 1978
McConnell; David P.
David P. McConnell
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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last 30 patents
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