Granted Patent
Utility
US 6,796,157 · App. 10/374,842
Machine for forming cheek bends in sheet metal
Inventor:
Leo H. Stalzer
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Feb 26, 2003
Inventor
Leo H. Stalzer
Assignee (at issue)
Lion Machinery, 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.