Robert A. Kohntopp

Person

  • Toledo, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Stamp formed muffler with low back pressure

    • Patent number 5,173,577
    • Issue date Dec 22, 1992
    • AP Parts Manufacturing Co.
    • Michael W. Clegg
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES