Patents by Inventor Richard B. Frazier

Richard B. Frazier 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: 5040987
    Abstract: An educational aid for word and numeral recognition including a baseboard and sets of cards positionable on the baseboard in aligned relation to enable a student to recognize numerals, the value of such numerals and the definitive word for such numerals. Each card is a relatively large, rigid panel having a numeral, the definitive word for the numeral and distinguishable colored dots indicating the value of the numeral on one side with the obverse side of each card eliminating the colored dots to provide a more advanced educational aid. The baseboard includes a pair of stationary symbols indicating the action or manipulation for the numerals indicated onto adjacent cards and the result of such manipulation or action between a second and third card with the first two cards indicating the problem and the third card indicating the solution to the problem.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: August 20, 1991
    Inventor: Richard B. Frazier