Granted Patent
Utility
US 4,227,697 · App. 06/021,320
Word game apparatus
Inventor:
George Castanis
Patented Case
View Patent ↗
Granted: Oct 14, 1980
Filed: Mar 16, 1979
Inventor
George Castanis
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.