Granted Patent
Utility
US 4,615,232 · App. 06/454,694
Control linkage
Inventor:
Janaki R. Puppala
Patented Case
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Granted: Oct 7, 1986
Filed: Dec 30, 1982
Inventor
Janaki R. Puppala
Assignee (at issue)
J. I. Case Company
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.