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Donald S. Nii
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Arlington Heights, IL, US
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last 30 patents
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Patent Grant
Pump shovel bulk unloader
Patent number
4,679,989
Issue date
Jul 14, 1987
Graco Inc.
Charles E. Harriman
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Patent Grant
Proportional pumping system
Patent number
4,505,405
Issue date
Mar 19, 1985
Graco Inc.
Lawrence S. Kelly
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...