Patents by Inventor Richard Harry Lawrence

Richard Harry Lawrence 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: 5820124
    Abstract: A display puzzle comprising a support and a plurality of puzzle elements, the support and the elements having mutually-interengageable, releasable attachment members such that the elements are attachable to the support in at least on predetermined display arrangement for support thereby, wherein the support is so formed and each puzzle element has an edge portion so formed that, when each element is attached to the support, the edge portion is spaced from the support and can be pressed manually against the support to pivot the respective element relative to the support to release it therefrom, the releasable attachment members being sufficiently effective to hold the puzzle elements in position against inadvertent movement even when the puzzle is arrayed in a vertical position.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: October 13, 1998
    Inventor: Richard Harry Lawrence