Granted Patent
Utility
US 4,928,721 · App. 07/341,437
Fuel control valve construction, parts therefor and methods
Inventors:
Samuel T. Kelly, Jay R. Katchka
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Apr 21, 1989
Inventors
Samuel T. Kelly
Jay R. Katchka
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.