Granted Patent
Utility
US 4,653,530 · App. 06/868,637
Fuel control value construction, parts therefor and methods of making the same
Inventor:
Samuel T. Kelly
Patented Case
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Granted: Mar 31, 1987
Filed: May 29, 1986
Inventor
Samuel T. Kelly
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.