Granted Patent
Utility
US 4,245,525 · App. 05/874,259
Limited slip differential
Inventor:
Maurice K. LeBegue
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Feb 1, 1978
Inventor
Maurice K. LeBegue
Assignee (at issue)
National Mine Service Company
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.