Granted Patent
Utility
US 5,396,167 · App. 08/071,421
Method for remotely determining operability of motor operated valves
Inventor:
Robert L. Leon
Patented Case
View Patent ↗
Granted: Mar 7, 1995
Filed: Jun 3, 1993
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.