Granted Patent
Utility
US 5,255,549 · App. 07/896,220
Tension leveler roll cleaning system and method
Inventor:
Robert A. Williams
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Jun 10, 1992
Inventor
Robert A. Williams
Assignee (at issue)
The Monarch Machine Tool 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.