Granted Patent
Utility
US 6,072,176 · App. 09/052,032
Laser beam optical scanning device and image forming apparatus with laser beam optical scanning device
Inventors:
Jun Kohsaka, Nobuo Kanai
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Mar 31, 1998
Inventors
Jun Kohsaka
Nobuo Kanai
Assignee (at issue)
Minolta 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.