Patents by Inventor Matthew M. Helfer

Matthew M. Helfer 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: 5692241
    Abstract: A necktie knot forming device is provided. The knot forming device is temporarily attached to the tie prior to forming the knot and retains the tie and the device in position during the knot formation process. Once the knot is substantially completely formed, the device is then removed from the tie and a neat, consistent, four-in-hand knot remains in the tie.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: December 2, 1997
    Inventor: Matthew M. Helfer
  • Patent number: D392216
    Type: Grant
    Filed: February 6, 1997
    Date of Patent: March 17, 1998
    Inventor: Matthew M. Helfer