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Steven W. Drumheller

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  • Roanoke, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reciprocal chuck for paving breaker
    • Patent number 5,511,800
    • Issue date Apr 30, 1996
    • Ingersoll-Rand Company
    • Steven W. Drumheller
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Reciprocal chuck for paving breaker
    • Patent number 5,431,235
    • Issue date Jul 11, 1995
    • Ingersoll-Rand Company
    • Steven W. Drumheller
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS