Granted Patent
Utility
US 5,839,715 · App. 08/794,404
Medical adapter having needleless valve and sharpened cannula
Inventor:
Karl R. Leinsing
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Feb 2, 1997
Inventor
Karl R. Leinsing
Assignee (at issue)
Alaris Medical Systems, 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.