Patents by Inventor Everett J. Bergquist

Everett J. Bergquist 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).

  • Shuttle for a tumbling operation
    Patent number: 4447992
    Abstract: A device for shielding a particular area of an irregularly shaped article during a tumbling operation, thereby to protect this area from the action of the tumbling medium.
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: May 15, 1984
    Assignee: United Technologies Corporation
    Inventor: Everett J. Bergquist