Frederick J. Visser

Person

  • Glen Rock, NJ, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Concrete pile cutting device

    • Patent number 4,233,954
    • Issue date Nov 18, 1980
    • Von Rohr Equipment Corp.
    • Frederick J. Visser
    • B28 - WORKING CEMENT, CLAY, OR STONE