Granted Patent
Utility
US 6,389,860 · App. 09/637,046
Control system for a press brake
Inventor:
Leo H. Stalzer
Patented Case
View Patent ↗
Granted: May 21, 2002
Filed: Aug 11, 2000
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.