Granted Patent
Utility
US 4,978,321 · App. 06/797,745
Baffled air intake system for outboard motors
Inventor:
Arthur R. Ferguson
Patented Case
View Patent ↗
Granted: Dec 18, 1990
Filed: Nov 12, 1985
Inventor
Arthur R. Ferguson
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.