Patents by Inventor Robert J. Tiedemann

Robert J. Tiedemann 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).

  • Cordless vegetation trimmer
    Patent number: D250450
    Type: Grant
    Filed: May 25, 1978
    Date of Patent: December 5, 1978
    Assignee: The Toro Company
    Inventor: Robert J. Tiedemann
  • Pencil holder
    Patent number: D250653
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: December 26, 1978
    Assignee: Sheller-Globe Corporation
    Inventor: Robert J. Tiedemann
  • Calendar holder
    Patent number: D251251
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: March 6, 1979
    Assignee: Sheller-Globe Corporation
    Inventor: Robert J. Tiedemann
  • Memo holder
    Patent number: D251254
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: March 6, 1979
    Assignee: Sheller-Globe Corporation
    Inventor: Robert J. Tiedemann
  • Hose cassette
    Patent number: D257423
    Type: Grant
    Filed: March 5, 1979
    Date of Patent: October 21, 1980
    Assignee: The Toro Co.
    Inventor: Robert J. Tiedemann
  • Implement handle
    Patent number: D262182
    Type: Grant
    Filed: June 21, 1979
    Date of Patent: December 8, 1981
    Assignee: The Toro Company
    Inventor: Robert J. Tiedemann
  • Electric cultivator
    Patent number: D265826
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: August 17, 1982
    Assignee: The Toro Company
    Inventors: Ronald J. Holmstadt, L. Ralph Sorge, Robert J. Tiedemann
  • Thermostat
    Patent number: D316375
    Type: Grant
    Filed: June 27, 1989
    Date of Patent: April 23, 1991
    Assignee: ITT Corporation
    Inventor: Robert J. Tiedemann
  • Thermostat
    Patent number: D319403
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: August 27, 1991
    Assignee: ITT Corporation
    Inventor: Robert J. Tiedemann
  • Remote controlled dual lamp searchlight for vehicle, boat, or the like
    Patent number: D320462
    Type: Grant
    Filed: September 19, 1989
    Date of Patent: October 1, 1991
    Assignee: ITT Corporation
    Inventors: Jack L. Williams, Robert J. Tiedemann
  • Whirlpool pump
    Patent number: D327075
    Type: Grant
    Filed: June 1, 1990
    Date of Patent: June 16, 1992
    Inventor: Robert J. Tiedemann