Patents by Inventor Dennis N. Oakland

Dennis N. Oakland 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).

  • Kneeboard with retractable fins
    Patent number: 4883436
    Abstract: A kneeboard is provided with a pair of retractable fins which are operated by a control knob mounted on the board in front of the user's knees. The control knob is connected to the fins by a pair of cables. The fins can be raised or lowered simultaneously by sliding the control knob forwardly or rearwardly.
    Type: Grant
    Filed: April 19, 1989
    Date of Patent: November 28, 1989
    Assignee: O'Brien International, Inc.
    Inventor: Dennis N. Oakland