Granted Patent
Utility
US 6,772,935 · App. 10/333,291
Method and device for friction stir welding with simultaneous cooling
Inventors:
Gerhard Scheglmann, Frank Palm, Klaus Raether
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Jan 17, 2003
Inventors
Gerhard Scheglmann
Frank Palm
Klaus Raether
Assignee (at issue)
EADS Deutschland GmbH
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.