David J. Bratek

Person

  • Pendleton, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Expansion control system

    • Patent number 5,887,400
    • Issue date Mar 30, 1999
    • Watson Bowman Acme Corp.
    • David J. Bratek
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES