Granted Patent
Utility
US 6,764,559 · App. 10/294,877
Aluminum automotive frame members
Inventors:
Zhong Li, Paul Platek
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Nov 15, 2002
Inventors
Zhong Li
Paul Platek
Assignee (at issue)
Commonwealth Industries, Inc.
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.