Granted Patent
Utility
US 5,188,194 · App. 07/700,528
Drive assembly for a four wheel drive vehicle
Inventor:
Christian Gasch
Patented Case
View Patent ↗
Granted: Feb 23, 1993
Filed: May 14, 1991
Inventor
Christian Gasch
Assignee (at issue)
Viscodrive GmbH
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.