Granted Patent
Utility
US 5,851,002 · App. 08/692,693
Tri-stable solenoid-operated valve
Inventor:
Stephen A. Carter
Patented Case
View Patent ↗
Granted: Dec 22, 1998
Filed: Aug 6, 1996
Inventor
Stephen A. Carter
Assignee (at issue)
Ortech LLP
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.