Granted Patent
Utility
US 4,567,743 · App. 06/713,750
Method of forming box-section frame members
Inventor:
Ivano G. Cudini
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Mar 19, 1985
Inventor
Ivano G. Cudini
Assignee (at issue)
Standard Tube Canada 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.