Granted Patent
Utility
US 6,281,991 · App. 09/149,907
Self-Illumination scanner apparatus
Inventors:
Takeshi Mori, Kazuo Ishimoto, Tohru Watanabe
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Sep 8, 1998
Inventors
Takeshi Mori
Kazuo Ishimoto
Tohru Watanabe
Assignees (at issue)
Olympus Optical Co., Ltd.
SANYO ELECTRIC 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.