Patents by Inventor Robert S. Caine

Robert S. Caine 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: 4699538
    Abstract: The papers in an office file folder are organized into subfiles by dividing the documents including papers and/or other things into predetermined sets. Each set is then secured to a header plate which is removably secured to an associated attachment plate. The attachment plate is itself secured to the file folder cover. The header plate is secured to the attachment by cooperable engaging and separable fastening means.
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: October 13, 1987
    Inventor: Robert S. Caine