Granted Patent
Utility
US 5,667,485 · App. 08/431,886
Blood reservoir with visible inlet tube
Inventor:
Erin J. Lindsay
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: May 1, 1995
Inventor
Erin J. Lindsay
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.