Patents by Inventor Robert E. Kahle

Robert E. Kahle 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).

  • Sink having hidden drain
    Patent number: D468815
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: January 14, 2003
    Assignee: Acorn Engineering Company
    Inventors: Robert E. Kahle, David P. Molinaro
  • Sink having hidden drain
    Patent number: D474835
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: May 20, 2003
    Assignee: Acorn Engineering Company
    Inventors: Robert E. Kahle, David P. Molinaro