Granted Patent
Utility
US 6,421,110 · App. 09/551,355
Digital exposure type photo processing apparatus
Inventor:
Yasuhiro Yakawa
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Apr 18, 2000
Inventor
Yasuhiro Yakawa
Assignee (at issue)
Noritsu Koki 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.