Granted Patent
Utility
US 6,646,815 · App. 10/024,263
Zoom lens
Inventor:
Shinsuke Nobe
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Dec 21, 2001
Inventor
Shinsuke Nobe
Assignee (at issue)
Konica 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.