Granted Patent
Utility
US 4,775,205 · App. 07/027,109
Light-beam scanning apparatus having two beam waists
Inventor:
Toshio Muramatsu
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Mar 13, 1987
Inventor
Toshio Muramatsu
Assignee (at issue)
Konishiroku Photo Industry 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.