Granted Patent
Utility
US 4,860,612 · App. 07/089,283
Vehicle torque transfer case for a four wheel drive system
Inventors:
Wesley M. Dick, David C. Reuter
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Aug 25, 1987
Inventors
Wesley M. Dick
David C. Reuter
Assignee (at issue)
DANA 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.