Patents by Inventor Jan Wilsgaard

Jan Wilsgaard 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).

  • Patent number: D276332
    Type: Grant
    Filed: October 20, 1980
    Date of Patent: November 13, 1984
    Assignee: Aktiebolaget Volvo
    Inventor: Jan Wilsgaard
  • Patent number: D280399
    Type: Grant
    Filed: June 30, 1982
    Date of Patent: September 3, 1985
    Assignee: Aktiebolaget Volvo
    Inventor: Jan Wilsgaard
  • Patent number: D295508
    Type: Grant
    Filed: June 4, 1985
    Date of Patent: May 3, 1988
    Assignee: Aktiebolaget Volvo
    Inventor: Jan Wilsgaard
  • Patent number: D310194
    Type: Grant
    Filed: February 5, 1988
    Date of Patent: August 28, 1990
    Assignee: Aktiebolaget Volvo
    Inventor: Jan Wilsgaard