Granted Patent
Utility
US 5,377,650 · App. 08/142,767
Low emission engines
Inventor:
Donald W. Warner
Patented Case
View Patent ↗
Granted: Jan 3, 1995
Filed: Oct 26, 1993
Inventor
Donald W. Warner
Assignee (at issue)
WALBRO 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.