Charles W. Echols Sr.

Person

  • College Park, GA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Thermal barrier curtain wall

    • Patent number 3,978,629
    • Issue date Sep 7, 1976
    • The William L. Bonnell Company
    • Charles W. Echols
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS