Granted Patent
Utility
US 4,493,652 · App. 06/487,022
Inspirational teaching apparatus
Inventor:
Nettie Mike
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Apr 21, 1983
Inventor
Nettie Mike
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.