Granted Patent
Utility
US 5,379,907 · App. 08/025,480
Stopper for medication container
Inventors:
John J. Niedospial, Jr., Ronald B. Vacek, Rafael DeJesus
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Mar 3, 1993
Inventors
John J. Niedospial, Jr.
Ronald B. Vacek
Rafael DeJesus
Assignee (at issue)
Sterling Winthrop 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.