Granted Patent
Utility
US 4,451,769 · App. 06/328,058
Electronic compensator for an electrohydraulic servovalve
Inventors:
George E. Minnich, Clark Leonard Applegate
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Dec 7, 1981
Inventors
George E. Minnich
Clark Leonard Applegate
Assignee (at issue)
The Singer Company Limited
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.