Patents by Inventor Robert E. Shofstall

Robert E. Shofstall 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).

  • Landscaping block
    Patent number: D513076
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: December 20, 2005
    Inventor: Robert E. Shofstall
  • Splash block
    Patent number: D462456
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: September 3, 2002
    Inventor: Robert E. Shofstall
  • Faucet fitting
    Patent number: D533640
    Type: Grant
    Filed: March 1, 2004
    Date of Patent: December 12, 2006
    Inventor: Robert E. Shofstall