Granted Patent
Utility
US 6,354,979 · App. 09/479,260
Limited-slip differential
Inventor:
Thomas H. Lohr
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Jan 7, 2000
Inventor
Thomas H. Lohr
Assignee (at issue)
Hoffco/Comet Industries, Inc.
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.