TREA

John E. Ballerstein

Follow

Person

  • Fredericksburg, VA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Tubular welded railing system
    • Patent number 5,062,732
    • Issue date Nov 5, 1991
    • Standard Steel Rail Technology
    • John E. Ballerstein
    • E04 - BUILDING
  • Information Patent Grant

    Tubular railing system
    • Patent number 4,952,092
    • Issue date Aug 28, 1990
    • Standard Steel Rail Technology
    • John E. Ballerstein
    • E04 - BUILDING