Granted Patent
Utility
US 5,316,667 · App. 08/109,008
Time based interface detection systems for blood processing apparatus
Inventors:
Richard L. Brown, John T. Foley
Patented Case
View Patent ↗
Granted: May 31, 1994
Filed: Aug 19, 1993
Inventors
Richard L. Brown
John T. Foley
Assignee (at issue)
Baxter International 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.