Granted Patent
Utility
US 6,471,301 · App. 09/711,732
Dual wheel assembly differential
Inventor:
Michael E. Johnson
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Nov 14, 2000
Inventor
Michael E. Johnson
Assignee (at issue)
Meritor Heavy Vehicle Technology, 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.