Granted Patent
Utility
US 4,822,110 · App. 07/138,126
Pneumatic valve, particularly a duplex-type distributor for a braking system, including a device for limiting the maximum distributable pressure
Inventor:
Domenico Angelillo
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Dec 28, 1987
Inventor
Domenico Angelillo
Assignee (at issue)
Industrie Magneti Marelli S.p.A.
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.