Granted Patent
Utility
US 4,413,921 · App. 06/168,239
Cosmetic pencil having a sharpenable polyethylene casing
Inventors:
Eustace Fotiu, Marlene Tietjen, Tibor Goldner, Philip Rosenblum
Patented Case
View Patent ↗
Granted: Nov 8, 1983
Filed: Jul 10, 1980
Inventors
Eustace Fotiu
Marlene Tietjen
Tibor Goldner
Philip Rosenblum
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.