Patents by Inventor Warren J. Olson

Warren J. Olson 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).

  • Drill case
    Patent number: D277339
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: January 29, 1985
    Assignee: Huot Manufacturing Co.
    Inventors: Henry E. Huot, Jr., William J. Huot, Warren J. Olson