Patents by Inventor Walter W. Boettger, Jr.

Walter W. Boettger, 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).

  • Hand grip exerciser
    Patent number: D285329
    Type: Grant
    Filed: April 12, 1984
    Date of Patent: August 26, 1986
    Inventor: Walter W. Boettger, Jr.
  • Hand grip exerciser
    Patent number: D358856
    Type: Grant
    Filed: December 1, 1993
    Date of Patent: May 30, 1995
    Inventor: Walter W. Boettger, Jr.