Patents by Inventor James R. Sturdivan

James R. Sturdivan 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: 4558980
    Abstract: The multi-leaved tablet of this invention consists of leaves with corresponding surface portions adhesively interconnected and with corresponding surface portions free to fold relative to adjacent leaves. The leaves are of predetermined configuration and are die cut from a plurality of panels arranged so that they overlap. An area of adhesive interconnects portions of the surfaces of adjoining panels. This area has a rectilinear peripheral segment, and each die-cut leaf includes at least a portion of the rectilinear peripheral segment of the adhesive area. The rectilinear peripheral segment of the adhesive area is coincident with the folding axes of the leaves.
    Type: Grant
    Filed: May 19, 1983
    Date of Patent: December 17, 1985
    Assignee: Hallmark Cards, Inc.
    Inventor: James R. Sturdivan