Patents by Inventor Jack D. Powers

Jack D. Powers 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).

  • T-lock shingle attachment for pneumatic nailers
    Patent number: 5251371
    Abstract: A conventional pneumatic nailer commonly used in the construction trades includes a forwardly protruding horizontal T-lock spoon member attached to a nail discharge shoe of the pneumatic nailer to enable a roofer to lock T-shaped tabs of a conventional T-lock shingle into place on an adjacent shingle preparatory to nailing the T-lock shingle, using the pneumatic nailer.
    Type: Grant
    Filed: October 20, 1992
    Date of Patent: October 12, 1993
    Inventor: Jack D. Powers