Randy Lyn Weingart

Person

  • Richmond, VA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for manufacturing concrete

    • Patent number 6,379,031
    • Issue date Apr 30, 2002
    • Aggregate Research Industries, LLC
    • Randy Lyn Weingart
    • B28 - WORKING CEMENT, CLAY, OR STONE