Patents by Inventor Tony L. Dixon

Tony L. Dixon 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).

  • Masonry screw anchor
    Patent number: 5061136
    Abstract: A masonry screw anchor having two different constant diameter shank portions connected via a taper. Each portion has a set of constant diameter threads and intermediate smaller diameter protrusions with the threads and protrusions on the larger diameter shank portion being larger in diameter than the diameter of the threads and protrusions on the smaller diameter portion.
    Type: Grant
    Filed: October 3, 1990
    Date of Patent: October 29, 1991
    Assignee: Emhart Inc.
    Inventors: Tony L. Dixon, David E. Starke, Frank Piacenti, Robert W. Brown, Jr.
  • Masonry screw anchor
    Patent number: RE34969
    Abstract: A masonry screw anchor having two different constant diameter shank portions connected via a taper. Each portion has a set of constant diameter threads and intermediate smaller diameter protrusions with the threads and protrusions on the larger diameter shank portion being larger in diameter than the diameter of the threads and protrusions on the smaller diameter portion.
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: June 13, 1995
    Assignee: Emhart Inc.
    Inventors: Tony L. Dixon, David E. Starke, Frank Piacenti, Robert W. Brown, Jr.