Patents by Inventor Joost Constantijn Wulffraat

Joost Constantijn Wulffraat 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).

  • Ship's telegraph
    Patent number: D470856
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: February 25, 2003
    Assignee: Stork Kwant B.V.
    Inventor: Joost Constantijn Wulffraat