Granted Patent
Utility
US 5,325,850 · App. 07/953,932
Suction catheter assemblies
Inventors:
Karl T. Ulrich, Tom Devlin
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Sep 30, 1992
Inventors
Karl T. Ulrich
Tom Devlin
Assignee (at issue)
Smiths Industries 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.