Granted Patent
Utility
US 4,824,339 · App. 07/087,097
Peristaltic pump cartridge
Inventors:
Marlene Adele Bainbridge, Charles B. Powell, P. Michael Finsterwald
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Aug 19, 1987
Inventors
Marlene Adele Bainbridge
Charles B. Powell
P. Michael Finsterwald
Assignee (at issue)
Cobe Laboratories, 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.