James W. Jensen

Person

  • Linn County, IA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Railroad crossing gate

    • Patent number 4,897,960
    • Issue date Feb 6, 1990
    • General Signals, Inc.
    • Todd A. Barvinek
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES