Granted Patent
Utility
US 4,830,039 · App. 07/132,572
Fuel control valve construction, parts therefor, and methods of making the same
Inventors:
Samuel T. Kelly, Jay R. Katchka
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Dec 14, 1987
Inventors
Samuel T. Kelly
Jay R. Katchka
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE LIMITED
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.