Granted Patent
Utility
US 5,255,115 · App. 07/853,425
Optical scanning apparatus and recording apparatus using the same
Inventor:
Kazuo Kikuchi
Patented Case
View Patent ↗
Granted: Oct 19, 1993
Filed: Mar 18, 1992
Inventor
Kazuo Kikuchi
Assignee (at issue)
HITACHI, LTD.
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.