Granted Patent
Utility
US 4,462,272 · App. 06/294,260
Limited slip differential
Inventor:
Daniel W. Roper
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Aug 19, 1981
Inventor
Daniel W. Roper
Assignee (at issue)
Rockwell International Corporation
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.