Patents by Inventor Lyle D. Polzin

Lyle D. Polzin 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).

  • Golf putter head
    Patent number: D399546
    Type: Grant
    Filed: July 30, 1996
    Date of Patent: October 13, 1998
    Inventor: Lyle D. Polzin