Patents by Inventor Jens J. Jonker

Jens J. Jonker 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: D301529
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: June 13, 1989
    Assignee: Vredestein Incopro B.V.
    Inventor: Jens J. Jonker
  • Patent number: D301530
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: June 13, 1989
    Assignee: Vredestein Icopro B.V.
    Inventor: Jens J. Jonker