Patents by Inventor Donald D. Robinson

Donald D. Robinson 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).

  • Tablet splitting device
    Patent number: 4422553
    Abstract: A pharmaceutical tablet container whose physical configuration permits the container to function as a tool to split a tablet into half dosages.
    Type: Grant
    Filed: September 17, 1982
    Date of Patent: December 27, 1983
    Inventors: Harold L. Hoeks, Donald D. Robinson