Patents by Inventor Robert L. Edwards, Jr.

Robert L. Edwards, Jr. 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).

  • Card index box
    Patent number: 4012087
    Abstract: This invention relates in general to card filing devices and more particularly to a card file case comprising a one piece receptacle for the cards to be filed with angled projections at the front and back of the receptacle which are an integral part thereof for retaining the cards in an angular position from the verticle.
    Type: Grant
    Filed: July 21, 1975
    Date of Patent: March 15, 1977
    Inventor: Robert L. Edwards, Jr.