Granted Patent
Utility
US 6,766,939 · App. 10/257,137
Solid phase welding
Inventor:
Gerald E Shepherd
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Oct 9, 2002
Inventor
Gerald E Shepherd
Assignee (at issue)
BAE SYSTEMS PLC
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.