TREA

Donald S. Nii

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  • Arlington Heights, IL, US
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Patents Grantslast 30 patents

  • Information 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...
  • Information 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...