Granted Patent
Utility
US 5,573,036 · App. 08/585,360
Electro-hydraulic servovalve having mechanical feedback
Inventors:
Don B. Porter, Stephen B. Currey
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Jan 11, 1996
Inventors
Don B. Porter
Stephen B. Currey
Assignee (at issue)
Sargent Controls & Aerospace/Dover Diversified 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.