Granted Patent
Utility
US 5,669,400 · App. 08/620,221
Cosmetic jar and storage device
Inventors:
Robert J. Sheffler, Charles Chang
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Mar 22, 1996
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.