Granted Patent
Utility
US 4,903,083 · App. 07/225,447
Simplified cleaning web apparatus
Inventor:
Carl R. Bothner
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Jul 28, 1988
Inventor
Carl R. Bothner
Assignee (at issue)
EASTMAN KODAK 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.