Granted Patent
Utility
US 4,885,001 · App. 07/202,106
Pump with plural flow lines
Inventor:
Lawrence L. Leppert
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Jun 3, 1988
Inventor
Lawrence L. Leppert
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.