Patents by Inventor Leslie B. Derby, III

Leslie B. Derby, III 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: 4880404
    Abstract: A puppet which can be operated by single hand finger manipulation is derived from a single piece of flat sheet stock. The puppet, which presents the appearance of the face of a person or animal, or an object or symbol, is comprised of slidably interactive upper and lower face panels and a rearwardly disposed V-shaped hinge. An elongated slot in the lower face panel creates a mouth portion that can be opened and closed with manipulation of the face panels.
    Type: Grant
    Filed: August 5, 1988
    Date of Patent: November 14, 1989
    Assignee: Prescott Durrell & Company
    Inventor: Leslie B. Derby, III
  • Patent number: 4869702
    Abstract: A hand actuated puppet, useful for entertainment, instructional and demonstration purposes has a grasping capability easily mastered by children. The puppet is fabricated from a single piece of sheet stock cut and folded so as to have an upper face panel, a lower panel, and a connecting hinge panel. The upper and lower panels are equipped with finger engaging loops which facilitate manipulation.
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: September 26, 1989
    Assignee: Prescott Durrell & Company
    Inventor: Leslie B. Derby, III