Patents by Inventor Luther C. Walborn

Luther C. Walborn has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 3999222
    Abstract: A knot simulator for a four-in-hand necktie includes a panel generally shaped, contoured and dimensioned to correspond to the front and side surfaces of a four-in-hand necktie knot and clamp means on the rear of the panel for engaging the free ends of the necktie close to the wearer's collar, to fix the free ends in normal overlapping downwardly extending relationship without tying a knot.
    Type: Grant
    Filed: March 18, 1976
    Date of Patent: December 28, 1976
    Inventor: Luther C. Walborn