Granted Patent
Utility
US 4,430,983 · App. 06/420,424
Carburetor bleed air control solenoid improvement
Inventor:
William A. Hagen
Patented Case
View Patent ↗
Granted: Feb 14, 1984
Filed: Sep 20, 1982
Inventor
William A. Hagen
Assignee (at issue)
ACF Industries Incorporated
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.