Granted Patent
Utility
US 4,466,389 · App. 06/418,042
Intake-manifold
Inventor:
Zora Arkus-Duntov
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Sep 14, 1982
Inventor
Zora Arkus-Duntov
Assignee (at issue)
Colt Industries Operating Corporation
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.