Granted Patent
Utility
US 4,747,839 · App. 06/942,727
Disposable hypodermic syringe with plastic snap-on needle hub and heat shrink seal therefor
Inventors:
William R. Tarello, Claudio Lopez
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Dec 17, 1986
Inventors
William R. Tarello
Claudio Lopez
Assignee (at issue)
Survival Technology, 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.