Patents by Inventor David H. Vowell

David H. Vowell 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: 4201389
    Abstract: A word game comprising a playing surface having a plurality of sections, each section being adapted to present a different letter viewable to the player, the various sections being capable of being maintained in a fixed position whereby aligned letters may be used to form a word, the remaining sections being capable of being varied to present a plurality of different letters viewable to the player or players. Optionally, the letters are dispersed on the playing surface in a manner correlated to their frequency of appearance in the English language with certain related letters being placed in juxtaposed relationship.
    Type: Grant
    Filed: May 24, 1979
    Date of Patent: May 6, 1980
    Inventor: David H. Vowell