Granted Patent
Utility
US 4,861,242 · App. 07/087,096
Self-loading peristaltic pump
Inventor:
P. Michael Finsterwald
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Aug 19, 1987
Inventor
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.