Patents by Inventor David F. Lackey

David F. Lackey 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).

  • Torque multiplying device
    Patent number: D440845
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: April 24, 2001
    Assignee: Deuer Manufacturing, Inc.
    Inventor: David F. Lackey