Granted Patent
Utility
US 4,980,155 · App. 07/405,513
Two phase cosmetic composition
Inventors:
Arvind N. Shah, Ivonne Brown
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Sep 11, 1989
Inventors
Arvind N. Shah
Ivonne Brown
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.