Granted Patent
Utility
US 4,751,835 · App. 07/048,118
Method of manufacturing variable diameter driveshaft
Inventors:
Alexander H. Galaniuk, Georg W. Somborn
Patented Case
View Patent ↗
Granted: Jun 21, 1988
Filed: May 11, 1987
Inventors
Alexander H. Galaniuk
Georg W. Somborn
Assignee (at issue)
Ford Motor Company
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.