Granted Patent
Utility
US 4,932,439 · App. 07/398,345
Solenoid actuated three-way valve
Inventor:
Lawrence McAuliffe, Jr.
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Aug 24, 1990
Inventor
Lawrence McAuliffe, Jr.
Assignee (at issue)
Colt Industries, 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.