Granted Patent
Utility
US 4,921,159 · App. 07/225,621
Method for manufacturing a modified fast fade drive axle housing
Inventor:
David E. Peck
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: Jul 26, 1988
Inventor
David E. Peck
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.