Granted Patent
Utility
US 6,426,839 · App. 09/746,589
Image pickup lens unit
Inventors:
Satoshi Dou, Toshiyuki Yoshida
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Dec 21, 2000
Inventors
Satoshi Dou
Toshiyuki Yoshida
Assignee (at issue)
Milestone 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.