Granted Patent
Utility
US 5,404,721 · App. 08/188,010
Cast-in-place ceramic manifold and method of manufacturing same
Inventor:
Dale L. Hartsock
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Jan 28, 1994
Inventor
Dale L. Hartsock
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.