Patents by Inventor Rolf Scheiwiller

Rolf Scheiwiller 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).

  • Paving stone
    Patent number: D278934
    Type: Grant
    Filed: December 17, 1981
    Date of Patent: May 21, 1985
    Inventor: Rolf Scheiwiller
  • Paving stone
    Patent number: D278935
    Type: Grant
    Filed: December 17, 1981
    Date of Patent: May 21, 1985
    Inventor: Rolf Scheiwiller