Patents by Inventor Frank Donald Pechal

Frank Donald Pechal 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: D447781
    Type: Grant
    Filed: July 5, 2000
    Date of Patent: September 11, 2001
    Inventor: Frank Donald Pechal
  • Golf putter head
    Patent number: D430630
    Type: Grant
    Filed: February 10, 2000
    Date of Patent: September 5, 2000
    Inventor: Frank Donald Pechal