Granted Patent
Utility
US 5,181,908 · App. 07/624,238
Method and apparatus for lavaging with oxygenated irrigating fluid while suctioning
Inventor:
Craig J. Bell
Patented Case
View Patent ↗
Granted: Jan 26, 1993
Filed: Dec 7, 1990
Inventor
Craig J. Bell
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.