TREA

Robert G. White

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  • Portland, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrostatic spray module
    • Patent number 6,138,922
    • Issue date Oct 31, 2000
    • Progressive Grower Technologies
    • William J. Hartman
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Electrostatic spray module
    • Patent number 6,003,794
    • Issue date Dec 21, 1999
    • Progressive Grower Technologies, Inc.
    • William J. Hartman
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...