Granted Patent
Utility
US 4,882,483 · App. 07/179,407
Optical scanning apparatus with optical correction for scan mirror surface tilt
Inventors:
Takeshi Mochizuki, Akira Arimoto, Susumu Saito
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: Apr 8, 1988
Inventors
Takeshi Mochizuki
Akira Arimoto
Susumu Saito
Assignees (at issue)
HITACHI, LTD.
Hitachi Koki Co., 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.