Granted Patent
Utility
US 4,489,687 · App. 06/533,039
Piston having fuel diverting barrier means
Inventors:
John M. Bailey, Dale L. Lindenfelser
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Sep 16, 1983
Inventors
John M. Bailey
Dale L. Lindenfelser
Assignee (at issue)
Caterpillar Tractor 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.