Granted Patent
Utility
US 6,571,839 · App. 09/805,740
Automatic press roll control
Inventors:
Dennis Keith Allison, Joe Butz
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Mar 14, 2001
Inventors
Dennis Keith Allison
Joe Butz
Assignee (at issue)
COE MANUFACTURING COMPANY
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.