Granted Patent
Utility
US 4,638,777 · App. 06/658,001
Prechamber fuel control system
Inventors:
John C. Fanner, Warren E. Snyder
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: Oct 5, 1984
Inventors
John C. Fanner
Warren E. Snyder
Assignee (at issue)
Dresser Industries, Inc.
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.