Richard C. Sawyer Jr.

Person

  • Chestnut Hill Township, Philadelphia County, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Guy wire marker

    • Patent number D280500
    • Issue date Sep 10, 1985
    • McGraw-Edison Company
    • Leonard J. Brooks
    • D13 - Equipment for production, distribution, or transformation of energy