Ernest R. Welch

Person

  • Winchester, VA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Disc brake pad

    • Patent number 4,991,697
    • Issue date Feb 12, 1991
    • Abex Corporation
    • Alan R. Hummel
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL