Granted Patent
Utility
US 4,588,320 · App. 06/200,704
Closure for roll-on applicator
Inventor:
Jack Weinstein
Patented Case
View Patent ↗
Granted: May 13, 1986
Filed: Oct 27, 1980
Inventor
Jack Weinstein
Assignee (at issue)
Bristol-Meyers 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.