TREA

Stanley R. Duncalf

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  • Waverly, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dry product spreader
    • Patent number 11,986,852
    • Issue date May 21, 2024
    • Unverferth Manufacturing Co., Inc.
    • August Paul Nelson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Mobile conveyor system
    • Patent number 6,471,031
    • Issue date Oct 29, 2002
    • Stanley R. Duncalf
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Dry Product Spreader
    • Publication number 20240326086
    • Publication date Oct 3, 2024
    • Unverferth Manufacturing Co., Inc.
    • August Paul Nelson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Dry Product Spreader
    • Publication number 20220355334
    • Publication date Nov 10, 2022
    • Unverferth Manufacturing Co., Inc.
    • August Paul Nelson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...