Granted Patent
Utility
US 4,534,706 · App. 06/468,341
Self-compensating oscillatory pump control
Inventors:
Richard R. Palm, Robert G. James, Robert E. Fisher
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Feb 22, 1983
Inventors
Richard R. Palm
Robert G. James
Robert E. Fisher
Assignee (at issue)
Armco 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.