Frederick A. Schumacher

Person

  • Wykoff, NJ, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing piston

    • Patent number 4,135,499
    • Issue date Jan 23, 1979
    • Silicon Technology Corporation
    • Frederick A. Schumacher
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR