Granted Patent
Utility
US 6,405,737 · App. 09/828,672
Lipstick package with dispensing compartment(s)
Inventors:
Robert J. Sheffler, Charles Chang
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Apr 9, 2001
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.