Patents Assigned to American Technical Institute, Inc.
  • Hinged branch holder
    Patent number: 4109345
    Abstract: A hinge assembly for artificial Christmas trees that allows for the collapse of the tree without danger of the hinge binding or pinching materials in contact with the hinge and which is well suited to fabrication by mass production techniques.
    Type: Grant
    Filed: February 24, 1977
    Date of Patent: August 29, 1978
    Assignee: American Technical Institute, Inc.
    Inventors: Harry Sargent, Si Spiegel