Granted Patent
Utility
US 5,475,299 · App. 08/293,367
Method for remotely determining operability of motor operated valves
Inventor:
Robert L. Leon
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Aug 19, 1994
Inventor
Robert L. Leon
Assignee (at issue)
Liberty Technologies, 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.