Granted Patent
Utility
US 6,042,561 · App. 08/956,001
Non-intravascular infusion access device
Inventors:
Stephen R. Ash, Elsa M. Janle
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Oct 22, 1997
Inventors
Stephen R. Ash
Elsa M. Janle
Assignee (at issue)
Ash 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.