TREA

Robert D. Barwise

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  • Bovey, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Skidding grapple
    • Patent number 5,620,298
    • Issue date Apr 15, 1997
    • Robert D. Barwise
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Load handling apparatus with separable load coupling
    • Patent number 5,141,386
    • Issue date Aug 25, 1992
    • Robert D. Barwise
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Hydraulic coupling
    • Patent number 5,016,671
    • Issue date May 21, 1991
    • Robert D. Barwise
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Involuted disc slicer
    • Patent number 4,431,039
    • Issue date Feb 14, 1984
    • The United States of America as represented by the Secretary of Agriculture
    • Robert D. Barwise
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Angle control mechanism for grapple
    • Patent number 4,315,652
    • Issue date Feb 16, 1982
    • Robil Company
    • Robert D. Barwise
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Optical wood-bark segregator
    • Patent number 4,266,675
    • Issue date May 12, 1981
    • The United States of America as represented by the Secretary of Agriculture
    • Robert D. Barwise
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Helical head comminuting shear
    • Patent number 4,053,004
    • Issue date Oct 11, 1977
    • The United States of America as represented by the Secretary of Agriculture
    • Robert D. Barwise
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...