Granted Patent
Utility
US 4,731,995 · App. 06/927,342
Exhaust manifold and an improved exhaust manifold, intake manifold and engine combination
Inventor:
James McFarland
Patented Case
View Patent ↗
Granted: Mar 22, 1988
Filed: Nov 5, 1986
Inventor
James McFarland
Assignee (at issue)
Edelbrock, LLC
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.