Granted Patent
Utility
US 4,883,197 · App. 07/098,279
Sample strip and dispensing apparatus therefor
Inventors:
Hernando Sanchez, Richard M. Franczak, Menachem Futter
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Sep 18, 1987
Inventors
Hernando Sanchez
Richard M. Franczak
Menachem Futter
Assignee (at issue)
Revlon
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.