Patents Assigned to Amweld Building Products, Inc.
  • Method and apparatus for mounting hinges to a door frame
    Patent number: 5072488
    Abstract: A hinge preparation assembly is mounted in hinge cutouts of a steel door frame. The hinge preparation assembly is capable of mounting either standard weight hinges or heavy weight hinges. Set screws are provided for positioning a standard weight hinge leaves and for adjusting a door clearance.
    Type: Grant
    Filed: March 14, 1990
    Date of Patent: December 17, 1991
    Assignee: Amweld Building Products, Inc.
    Inventor: Rodney W. Winyard