Granted Patent
Utility
US 6,629,016 · App. 10/109,077
Apparatus and method of manufacturing expanded sheet metal
Inventor:
Jeffrey E. Smith
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Mar 28, 2002
Inventor
Jeffrey E. Smith
Assignee (at issue)
Amerimax Diversified 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.