TREA

Leo A. Baum

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  • Ratingen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hoisting apparatus
    • Patent number 4,834,341
    • Issue date May 30, 1989
    • Putzer-Defries Winden- und Hebetechnik GmbH
    • Leo A. Baum
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Drum of a winch
    • Patent number 4,753,399
    • Issue date Jun 28, 1988
    • Putzer-Defries Winden-und Hebetechnik GmbH
    • Leo A. Baum
    • B66 - HOISTING LIFTING HAULING