Patents Assigned to Nettleton Concrete Works, Inc.
  • Concrete construction block
    Patent number: D439989
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: April 3, 2001
    Assignee: Nettleton Concrete Works, Inc.
    Inventor: Gerald D. Winters
  • Concrete construction block
    Patent number: D444892
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: July 10, 2001
    Assignee: Nettleton Concrete Works, Inc.
    Inventor: Gerald D. Winters