Granted Patent
Utility
US 5,820,600 · App. 08/649,144
Adjustable introducer valve
Inventors:
John E. Carlson, Tellis Hartridge, Andrew Lee, Steve Masterson, Mike Orth, Craig Tsuji
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: May 14, 1996
Inventors
John E. Carlson
Tellis Hartridge
Andrew Lee
Steve Masterson
Mike Orth
Craig Tsuji
Assignee (at issue)
Innerdyne, 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.