Patents by Inventor Donald E. Stowers

Donald E. Stowers 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: 10143914
    Abstract: A hand-held puzzle game having an outer cube-shaped puzzle surrounding an inner spherical puzzle. An embodiment of the invention provides a six-sided, two-by-two cube puzzle containing a spherical puzzle with nine floating two-color parts and six pole centers, three of which are V-shaped to restrict rotation in some directions. The outer cube and inner sphere puzzles maybe solved independently, or the two puzzles may be solved jointly to solve the entire puzzle.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: December 4, 2018
    Inventor: Donald E. Stowers
  • Publication number: 20180111043
    Abstract: A hand-held puzzle game having an outer cube-shaped puzzle surrounding an inner spherical puzzle. An embodiment of the invention provides a six-sided, two-by-two cube puzzle containing a spherical puzzle with nine floating two-color parts and six pole centers, three of which are V-shaped to restrict rotation in some directions. The outer cube and inner sphere puzzles maybe solved independently, or the two puzzles may be solved jointly to solve the entire puzzle.
    Type: Application
    Filed: October 20, 2017
    Publication date: April 26, 2018
    Inventor: Donald E. Stowers