Patents by Inventor Frank I. Walker

Frank I. Walker 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: 5046221
    Abstract: A necktie holder comprising a flexible filament with two end portions, one of said end portions being affixed to the decorative strip of fabric on the back of the necktie and the other of the end portions being intended to be secured in the nearest adjacent buttonhole on a shirt front.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: September 10, 1991
    Inventor: Frank I. Walker