Granted Patent
Utility
US 6,686,555 · App. 10/219,818
Method for plasma jet welding
Inventors:
Erwin Bayer, Stefan Laure, Jürgen Steinwandel
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Aug 16, 2002
Inventors
Erwin Bayer
Stefan Laure
Jürgen Steinwandel
Assignees (at issue)
MTU Aero Engines AG
Daimlerchrysler AG
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.