Lawrence E. DeMar

Person

  • Chicago, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Lighting control system for pinball games

    • Patent number 5,091,677
    • Issue date Feb 25, 1992
    • Williams Electronics Games, Inc.
    • Charles R. Bleich
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR