Granted Patent
Utility
US 5,989,147 · App. 09/030,602
Electronically controllable limited slip differential
Inventors:
James L. Forrest, Robert Leeper
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Feb 25, 1998
Inventors
James L. Forrest
Robert Leeper
Assignee (at issue)
Auburn Gear, LLC
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.