Patents by Inventor Walter E. Armstrong

Walter E. Armstrong 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 swing aid
    Patent number: D347673
    Type: Grant
    Filed: May 18, 1992
    Date of Patent: June 7, 1994
    Assignee: Wally Armstrong Golf, Inc.
    Inventor: Walter E. Armstrong
  • Golf swing alignment aid
    Patent number: D349548
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: August 9, 1994
    Assignee: Wally Armstrong Golf, Inc.
    Inventor: Walter E. Armstrong