Granted Patent
Utility
US 6,227,716 · App. 09/377,869
Differential unit having an adjustable bearing assembly
Inventor:
Earl James Irwin
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Aug 20, 1999
Inventor
Earl James Irwin
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.