Granted Patent
Utility
US 5,875,791 · App. 08/070,533
Mascara container and applicator
Inventors:
Robert J. Sheffler, Charles Chang
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Apr 30, 1998
Inventors
Robert J. Sheffler
Charles Chang
Assignee (at issue)
Charles Chang
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.