Granted Patent
Utility
US 6,351,609 · App. 09/598,446
Built-in retractable flash of a camera
Inventors:
Tetsuo Hosokawa, Katsuhiko Nozaki
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Jun 22, 2000
Inventors
Tetsuo Hosokawa
Katsuhiko Nozaki
Assignee (at issue)
Asahi Kogaku Kogyo Kabushiki Kaisha
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.