TREA

Donald G. Roth

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  • Germantown, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fan-powered edge-of-dock leveler
    • Patent number 6,240,587
    • Issue date Jun 5, 2001
    • Kelley Company, Inc.
    • Michael M. Meichtry
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Fan-powered edge-of-dock leveler
    • Patent number 6,098,227
    • Issue date Aug 8, 2000
    • Kelley Company, Inc.
    • Michael M. Meichtry
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Retaining arrangement for an inflatable member in a dock leveler
    • Patent number 5,522,107
    • Issue date Jun 4, 1996
    • Kelley Company, Inc.
    • Martin P. Hageman
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL