Granted Patent
Utility
US 4,536,728 · App. 06/538,236
Valve solenoid windings
Inventor:
Luc P. Cyrot
Patented Case
View Patent ↗
Granted: Aug 20, 1985
Filed: Oct 3, 1983
Inventor
Luc P. Cyrot
Assignee (at issue)
International Telephone and Telegraph Corporation
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.