Granted Patent
Utility
US 4,628,969 · App. 06/811,456
Method of producing prefilled sterile plastic syringes
Inventors:
Raymond W. Jurgens, Jr., Richard Johnson, Leroy R. Nadler
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Dec 20, 1985
Inventors
Raymond W. Jurgens, Jr.
Richard Johnson
Leroy R. Nadler
Assignee (at issue)
MALLINCKRODT LLC
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.