Granted Patent
Utility
US 5,139,771 · App. 07/835,028
Rinse away face masque
Inventor:
Terry Gerstein
Patented Case
View Patent ↗
Granted: Aug 18, 1992
Filed: Feb 11, 1992
Inventor
Terry Gerstein
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.