Granted Patent
Utility
US 6,467,146 · App. 09/466,575
Method of forming of a tubular metal section
Inventor:
Slawomir J. Herman
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Dec 17, 1999
Inventor
Slawomir J. Herman
Assignee (at issue)
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.