Granted Patent
Utility
US 6,261,183 · App. 09/476,474
Driveshaft tube and universal joint assembly and method of manufacturing same
Inventors:
James A. Duggan, Ray A. Gall, Andrew L. Nieman
Patented Case
View Patent ↗
Granted: Jul 17, 2001
Filed: Dec 30, 1999
Inventors
James A. Duggan
Ray A. Gall
Andrew L. Nieman
Assignee (at issue)
DANA LIMITED
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.