Granted Patent
Utility
US 4,303,545 · App. 06/151,485
Hot roll cleaning paste and method
Inventors:
Robert S. Cutler, Robert M. Lindquist
Patented Case
View Patent ↗
Granted: Dec 1, 1981
Filed: May 19, 1980
Inventors
Robert S. Cutler
Robert M. Lindquist
Assignee (at issue)
International Business Machines Corporation
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.