Granted Patent
Utility
US 5,269,771 · App. 08/021,838
Needleless introducer with hemostatic valve
Inventors:
Joseph J. Thomas, David Catlin, Andrew W. Armour, Robert W. Thomas
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Feb 24, 1993
Inventors
Joseph J. Thomas
David Catlin
Andrew W. Armour
Robert W. Thomas
Assignee (at issue)
Thomas Medical Products, 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.