Granted Patent
Utility
US 6,325,874 · App. 09/454,459
Cold forming flat-rolled high-strength steel blanks into structural members
Inventor:
Robert Wheeler
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Dec 3, 1999
Inventor
Robert Wheeler
Assignee (at issue)
Consolidated Metal Products, 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.