Patents by Inventor Larry Boozer

Larry Boozer 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).

  • Three-prong shell
    Patent number: 6599059
    Abstract: An expansion assembly configured to be attached to a mine roof bolt, wherein the expansion assembly may include a plug defining an interior cavity and an outer surface and an expansion shell having a plurality of spaced-apart prongs, preferably three prongs, and defining a plurality of shell grooves, wherein each of the spaced-apart prongs is oriented diametrically opposed to a corresponding shell groove.
    Type: Grant
    Filed: April 4, 2001
    Date of Patent: July 29, 2003
    Assignee: Jennmar Corporation
    Inventors: Frank Calandra, Jr., John C. Stankus, Brandon Demrey, Jack R. Eaton, Larry Boozer
  • Three-prong shell
    Publication number: 20020025230
    Abstract: An expansion assembly configured to be attached to a mine roof bolt, wherein the expansion assembly may include a plug defining an interior cavity and an outer surface and an expansion shell having a plurality of spaced-apart prongs, preferably three prongs, and defining a plurality of shell grooves, wherein each of the spaced-apart prongs is oriented diametrically opposed to a corresponding shell groove.
    Type: Application
    Filed: April 4, 2001
    Publication date: February 28, 2002
    Applicant: Jennmar Corporation
    Inventors: Frank Calandra, John C. Stankus, Brandon Demrey, Jack R. Eaton, Larry Boozer