Patents by Inventor John P. Vaughan, Jr.

John P. Vaughan, 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).

  • Golf green repair tool
    Patent number: D306057
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: February 13, 1990
    Inventor: John P. Vaughan, Jr.