Patents by Inventor Richard J. Roskopf

Richard J. Roskopf 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: D264366
    Type: Grant
    Filed: April 30, 1980
    Date of Patent: May 11, 1982
    Assignee: Roskopf and Stobie Golf Co.
    Inventors: Richard J. Roskopf, John J. Stobie