Patents by Inventor William A. Ellei

William A. Ellei 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).

  • Pneumatic drill
    Patent number: D296412
    Type: Grant
    Filed: December 20, 1985
    Date of Patent: June 28, 1988
    Assignee: Snap-on Tools Corporation
    Inventors: James W. Nelson, William A. Ellei