Patents by Inventor William C. Withorn, Jr.

William C. Withorn, Jr. 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: 5609147
    Abstract: An arrow thread tracking apparatus is provided for attachment to a bow and includes a bolt assembly which includes a threaded first bolt end, a middle bolt portion, and a second bolt end which includes a head. The threaded first bolt end is connected to the bow. A thread assembly includes a hollow bolt-receiving portion and a quantity of thread wound around the hollow bolt-receiving portion in a form of a spool of thread. The hollow bolt-receiving portion jackets the middle bolt portion of the bolt assembly. A housing assembly includes a substantially closed first end which includes a bolt-receiving orifice. The housing assembly includes a substantially open second end. The second end receives the bolt assembly, receives the thread assembly, and receives a brake element carried by the middle bolt portion of the bolt assembly adjacent to the bolt head. The brake element is a compressible structure. An offset bracket may be provided between the housing assembly and the bow.
    Type: Grant
    Filed: June 8, 1995
    Date of Patent: March 11, 1997
    Inventor: William C. Withorn, Jr.