David R. Pritchard

Person

  • Winston-Salem, NC, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Instrument panel for an oil free compressor

    • Patent number D457502
    • Issue date May 21, 2002
    • Ingersoll-Rand Company
    • John R. Sykes
    • D13 - Equipment for production, distribution, or transformation of energy