Granted Patent
Utility
US 6,176,847 · App. 09/312,254
Surgical irrigation system incorporating flow sensor device
Inventors:
James E. Humphreys, Jr., Austin R. Braganza
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: May 14, 1999
Inventors
James E. Humphreys, Jr.
Austin R. Braganza
Assignee (at issue)
Circon Corporation
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.