Granted Patent
Utility
US 4,492,019 · App. 06/509,580
Method of forming an axle
Inventors:
Calvin G. Wells, Steven Szabo
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Jun 30, 1983
Inventors
Calvin G. Wells
Steven Szabo
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.