Patents by Inventor David C. Rolston

David C. Rolston 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).

  • Patent number: 5992653
    Abstract: A display and dispensing rack comprises: a base and at least one shelf, each having a top surface and each attached to a left and a right side frame; at least one inclined slide defined by the top surface and inclined upwardly from a front edge to a rear edge; a front article stop adjacent to the front edge limiting forward sliding of the articles; a pushplate; at least one guide rail for the pushplate defining a path between the rear edge and the front stop; and, the pushplate having a front face inclined at a generally upright orientation as the pushplate urges the articles along the path toward the front article stop.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: November 30, 1999
    Assignee: J & J Snack Foods Corp.
    Inventors: Robert H. Anderson, Stanley J. Jurgenburg, David C. Rolston, Mark E. Gilpatric
  • Patent number: D402131
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: December 8, 1998
    Assignee: J & J Snack Foods Corp.
    Inventors: Robert H. Anderson, Stanley J. Jurgenburg, David C. Rolston, Mark E. Gilpatric
  • Patent number: D402823
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: December 22, 1998
    Assignee: J & J Snack Foods Corp.
    Inventors: Robert H. Anderson, Stanley J. Jurgenburg, David C. Rolston, Mark E. Gilpatric