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Crankshaft construction
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Patent number 4,305,311
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Issue date Dec 15, 1981
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Dresser Industries, Inc.
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Kenneth H. McGill
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Valve guide for poppet valve
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Patent number 4,187,059
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Issue date Feb 5, 1980
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Dresser Industries, Inc.
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Curtis J. Parker
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Valve guide for poppet valve
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Patent number 4,184,814
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Issue date Jan 22, 1980
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Dresser Industries, Inc.
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Curtis J. Parker
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Valve guide for poppet valve
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Patent number 3,989,419
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Issue date Nov 2, 1976
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Dresser Industries, Inc.
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Curtis Jess Parker
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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