Patents by Inventor Maurice M. Greeson

Maurice M. Greeson 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: 4124881
    Abstract: A pair of dice each having twelve flat surfaces and in which opposite surfaces lie in parallel planes is provided. Each die incorporates twelve light emitting diodes for illuminating respectively the 12 surfaces but interconnected with a central battery by way of gravity responsive switches in such a manner that only the topmost surface of the die will be illuminated after the die has been thrown and comes to rest on a flat surface.
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: November 7, 1978
    Inventors: Terry M. Haber, Maurice M. Greeson