Granted Patent
Utility
US 4,660,991 · App. 06/826,553
Device for storing and signalling the time for taking drugs
Inventor:
Udo Simon
Patented Case
View Patent ↗
Granted: Apr 28, 1987
Filed: Feb 6, 1986
Inventor
Udo Simon
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.