TREA

James R. Hartmann

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery pack
    • Patent number 5,122,427
    • Issue date Jun 16, 1992
    • Skil Corporation
    • Dale M. Flowers
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Cordless tool bit storage
    • Patent number 5,121,803
    • Issue date Jun 16, 1992
    • Skil Corporation
    • James R. Hartmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Combination jig saw adjusting mechanism
    • Patent number 4,545,123
    • Issue date Oct 8, 1985
    • Skil Corporation
    • James R. Hartmann
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Powered hand-held tool with unitary sub-assembly mounted by the too...
    • Patent number 4,081,704
    • Issue date Mar 28, 1978
    • Skil Corporation
    • Louis J. Vassos
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS