Granted Patent
Utility
US 5,317,997 · App. 08/019,569
Air inlet system of an engine
Inventor:
Eiji Tomitaku
Patented Case
View Patent ↗
Granted: Jun 7, 1994
Filed: Feb 18, 1993
Inventor
Eiji Tomitaku
Assignee (at issue)
Komatsu Zenoah Co.
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.