Patents by Inventor Bruce L. Frisinger

Bruce L. Frisinger 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).

  • Rivetless nut plate and fastener
    Patent number: 5020952
    Abstract: A nut plate and nut are disclosed wherein the nut plate secures the nut to a mounting plate. The nut plate includes a projection which is adapted to be received by a hole in the mounting plate to prevent relative rotation between the nut plate and the mounting plate. The nut is provided with a flange about a periphery of the nut with a portion of the nut being received within a tubular portion of the nut plate and within an opening in the mounting plate.
    Type: Grant
    Filed: April 13, 1990
    Date of Patent: June 4, 1991
    Assignee: Martin Marietta Corporation
    Inventors: Henry J. Zeigler, Bruce L. Frisinger
  • Rivetless nut plate and fastener
    Patent number: 4919578
    Abstract: A nut plate and nut are disclosed wherein the nut plate secures the nut to a mounting plate. The nut plate includes a projection which is adapted to be received by a hole in the mounting plate to prevent relative rotation between the nut plate and the mounting plate. The nut is provided with a flange about a periphery of the nut with a portion of the nut being received within a tubular portion of the nut plate and within an opening in the mounting plate.
    Type: Grant
    Filed: June 9, 1988
    Date of Patent: April 24, 1990
    Assignee: Martin Marietta
    Inventors: Henry J. Zeigler, Bruce L. Frisinger