Granted Patent
Utility
US 6,807,014 · App. 10/740,402
Zoom photographic optical system
Inventor:
Kenji Kawasaki
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Dec 22, 2003
Inventor
Kenji Kawasaki
Assignee (at issue)
OLYMPUS CORPORATION
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.