Patents by Inventor Ralph A. Sherman, II

Ralph A. Sherman, II 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).

  • Reusable shipping box with cam tabs for release of closure interlock
    Patent number: 4535929
    Abstract: Reusable box apparatus includes a single blank from which a box is formed without the need for external fasteners, such as staples, adhesive, or tape, and which blank includes a plurality of interlocking tabs and slots for fastening the box together. The completed box includes two top flaps, both of which may be pre-addressed, for alternate use in two-way shipping, and which further includes cam elements for aligning tabs with slots for the easy release of the top flaps.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: August 20, 1985
    Assignee: E-Z P.A.C., Inc.
    Inventors: Ralph A. Sherman, II, Calvin R. Watson