Granted Patent
Utility
US 5,167,071 · App. 07/821,853
Cosmetic pencil sharpener
Inventor:
Johann Eisen
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Jan 14, 1992
Inventor
Johann Eisen
Assignee (at issue)
Cosmolab, Inc.
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.