Granted Patent
Utility
US 5,348,517 · App. 07/997,859
Torque transfer case for a full time four-wheel drive system
Inventor:
Wesley M. Dick
Patented Case
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Granted: Sep 20, 1994
Filed: Dec 29, 1992
Inventor
Wesley M. Dick
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.