Granted Patent
Utility
US 5,426,487 · App. 08/134,311
Image forming apparatus having bimodal charging means
Inventors:
Eric C. Stelter, Joseph E. Guth
Patented Case
View Patent ↗
Granted: Jun 20, 1995
Filed: Oct 8, 1993
Inventors
Eric C. Stelter
Joseph E. Guth
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.