Granted Patent
Utility
US 4,468,219 · App. 06/563,718
Pump flow rate compensation system
Inventors:
Dennis R. George, Michael J. Steinmetz, Robert A. Weber
Patented Case
View Patent ↗
Granted: Aug 28, 1984
Filed: Dec 20, 1983
Inventors
Dennis R. George
Michael J. Steinmetz
Robert A. Weber
Assignee (at issue)
International Business Machines Corporation
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.