Granted Patent
Utility
US 4,884,719 · App. 06/947,777
Single-sample dispensing
Inventors:
Sol Levine, Hernando Sanchez
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Dec 30, 1986
Inventors
Sol Levine
Hernando Sanchez
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.