Granted Patent
Utility
US 6,685,477 · App. 09/675,073
Method and apparatus for teaching and learning reading
Inventors:
Dennis Goldman, Mary Watanabe
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Sep 28, 2000
Inventors
Dennis Goldman
Mary Watanabe
Assignee (at issue)
ETA/Cuisenaire, a division of A. Daigger & Company, Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.