Granted Patent
Utility
US 5,220,868 · App. 07/791,853
Print band cleaner
Inventor:
Glen A. Dunnam
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Nov 14, 1991
Inventor
Glen A. Dunnam
Assignee (at issue)
HARRIS 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.