Patents by Inventor David V. Perry

David V. Perry 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 practice device
    Patent number: D326493
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: May 26, 1992
    Inventor: David V. Perry
  • Golf swing practice device
    Patent number: D329268
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: September 8, 1992
    Assignee: David Perry
    Inventor: David V. Perry