Granted Patent
Utility
US 6,747,810 · App. 10/364,385
Single focus lens having short overall length
Inventor:
Kenichi Sato
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Feb 12, 2003
Inventor
Kenichi Sato
Assignee (at issue)
Fuji Photo Optical 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.