Granted Patent
Utility
US 5,587,728 · App. 08/235,847
Optical feedback printer
Inventor:
Albert D. Edgar
Patented Case
View Patent ↗
Granted: Dec 24, 1996
Filed: Apr 29, 1994
Inventor
Albert D. Edgar
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.