Patents by Inventor Lars Hjelle

Lars Hjelle 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).

  • Display stand for toothbrushes
    Patent number: D244335
    Type: Grant
    Filed: December 11, 1975
    Date of Patent: May 17, 1977
    Assignee: Colgate-Palmolive Company
    Inventor: Lars Hjelle
  • Toothbrush
    Patent number: D279838
    Type: Grant
    Filed: September 2, 1983
    Date of Patent: July 30, 1985
    Assignee: Colgate-Palmolive Company
    Inventor: Lars Hjelle