Granted Patent
Utility
US 5,482,440 · App. 08/173,520
Blood processing systems using a peristaltic pump module with valve and sensing station for operating a peristaltic pump tube cassette
Inventors:
T. Michael Dennehey, Richard I. Brown, Warren P. Williamson, IV
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Dec 22, 1993
Inventors
T. Michael Dennehey
Richard I. Brown
Warren P. Williamson, IV
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.