Granted Patent
Utility
US 4,980,157 · App. 07/453,098
Cosmetic in form of pressed powder
Inventors:
Clara G. Mercado, Debra Verdon
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Dec 13, 1989
Inventors
Clara G. Mercado
Debra Verdon
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.