John S. Schroeder

Person

  • Sewickley, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Impact tool

    • Patent number 4,011,795
    • Issue date Mar 15, 1977
    • Schroeder Brothers Corporation
    • Henry P. Barthe
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS