Patents by Inventor Thalia I Armstrong

Thalia I Armstrong 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).

  • Basic educational system
    Patent number: 6354840
    Abstract: An educational system is provided including a recipient surface such as a cloth or base having a plurality of entities positioned thereon which are selected from the group of entities including colors, shapes, alphabetic characters, and numbers. Also included are marbles and figurines for being removably positioned adjacent to the entities.
    Type: Grant
    Filed: February 29, 2000
    Date of Patent: March 12, 2002
    Inventor: Thalia I Armstrong
  • Basic educational system
    Patent number: 6030228
    Abstract: An educational system is provided including a recipient surface such as a cloth or base having a plurality of entities positioned thereon which are selected from the group of entities including colors, shapes, alphabetic characters, and numbers. Also included are marbles and figurines for being removably positioned adjacent to the entities.
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: February 29, 2000
    Inventor: Thalia I. Armstrong