Granted Patent
Utility
US 5,504,941 · App. 08/055,913
Bib
Inventor:
Nancy J. Sell
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Apr 30, 1993
Inventor
Nancy J. Sell
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.