Granted Patent
Utility
US 4,928,693 · App. 07/322,362
Pressure monitor catheter
Inventors:
Richard Goodin, Mark A. Rydell, Rick L. Shockey
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Mar 13, 1989
Inventors
Richard Goodin
Mark A. Rydell
Rick L. Shockey
Assignee (at issue)
Schneider (USA) 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.