Granted Patent
Utility
US 5,000,601 · App. 07/407,761
Smooth drive cosmetic container
Inventor:
Keith R. Wruck
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Sep 19, 1989
Inventor
Keith R. Wruck
Assignee (at issue)
The Bridgeport Metal Goods Manufacturing Company
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.