Patents by Inventor Frank J. Plakinger

Frank J. Plakinger 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).

  • Compound power socket wrench
    Patent number: 5775182
    Abstract: A new Compound Power Socket Wrench System for facilitating removal and tightening of fasteners which are inaccessible to conventional tools. The inventive device includes a handle, a drive means within the handle, an extension means mechanically connected to the drive means, and an auxiliary drive handle removably engaging the extension means.
    Type: Grant
    Filed: June 18, 1996
    Date of Patent: July 7, 1998
    Inventor: Frank J. Plakinger