Patents by Inventor Linda L. Mandel

Linda L. Mandel 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: 5144750
    Abstract: A listing apparatus, comprising, in its broadest aspects, a transparent plastic coverplate, a rigid backplate, and a spring punch assembly. The rigid, transparent, plastic coverplate includes a coverplate slot system comprising a plurality of interconnected coverplate listing slots being connected by at least one coverplate connecting slot. The rigid backplate has a plurality of backplate slots disposed therein, the rigid backplate being securely disposed in a spaced relationship with the clear plastic coverplate. The backplate slots are aligned with the coverplate listing slots. The spring punch assembly, which includes a punch rod, is located within the coverplate slot system and slidable therethrough. Connectors provide the spaced relationship between the clear plastic cover and the rigid backplate so as to accommodate a list to be inserted therebetween.
    Type: Grant
    Filed: October 25, 1991
    Date of Patent: September 8, 1992
    Inventor: Linda L. Mandel