Patents by Inventor Thomas E. Durham

Thomas E. Durham 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).

  • Patent number: 5997225
    Abstract: A rotary power tool, such as a router, includes an actuating device engaged with a chuck device to move the chuck device between its gripping and release positions. The actuating device includes a lever member that extends axially relative to a casing of the power tool within an inner circumference of a base member. This lever member is movable relative to the casing and is engaged with the chuck so that movement of the lever is imparted to the chuck device causing the chuck device to move axially between its gripping and release positions.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: December 7, 1999
    Assignee: Power Tool Holders Incorporated
    Inventors: Gary L. Young, Thomas E. Durham, Mark S. Huggins, Christopher K. Muhammad