Granted Patent
Utility
US 4,622,931 · App. 06/749,323
Inlet manifold
Inventor:
Damasius B. Wickramasuriya
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Jun 27, 1985
Inventor
Damasius B. Wickramasuriya
Assignee (at issue)
Ford Motor Company
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.