Patents by Inventor Ronald R. Bartman

Ronald R. Bartman 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).

  • Vandal proof system for securing a frangible facing plate to rigid supporting structure by wedging action and a method therefor
    Patent number: 7788860
    Abstract: Stone faceplates are secured to supporting structures in columbariums or similar environments by a non-standard star screwdriver which penetrates the exposed face of the faceplate to activate a fastening assembly having a rivet nut and screw which secures the faceplate to the supporting structure, the tightening pressure of the rivet nut screw forcing the prongs of a slotted spacer sleeve of the fastening assembly into jamming engagement with a hole in the rear of the faceplate.
    Type: Grant
    Filed: July 7, 2003
    Date of Patent: September 7, 2010
    Inventors: Ronald R. Bartman, Norman R. Mabie