Granted Patent
Utility
US 5,019,868 · App. 07/457,195
Developer electrode and reverse roller assembly for high speed electrophotographic printing device
Inventors:
Vincent Kubert, Matthew J. Olenski, Mark F. Duchesne
Patented Case
View Patent ↗
Granted: May 28, 1991
Filed: Dec 28, 1989
Inventors
Vincent Kubert
Matthew J. Olenski
Mark F. Duchesne
Assignee (at issue)
AM International, Inc.
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.