Granted Patent
Utility
US 5,531,653 · App. 08/372,109
Selectively lockable differential assembly
Inventor:
Mark Charles Barnholt
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Jan 13, 1995
Inventor
Mark Charles Barnholt
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.