TREA

David A. Bullock

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  • East Peoria, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for turning a track bushing
    • Patent number 4,128,932
    • Issue date Dec 12, 1978
    • Caterpillar Tractor Co.
    • Harold W. Vanlandingham
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Track bush turning tool
    • Patent number 4,050,141
    • Issue date Sep 27, 1977
    • Caterpillar Tractor Co.
    • Harold W. Vanlandingham
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Track bush turning tool
    • Patent number 4,002,090
    • Issue date Jan 11, 1977
    • Caterpillar Tractor Co.
    • Harold W. Vanlandingham
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS