Granted Patent
Utility
US 4,966,833 · App. 07/253,471
Method for the formation of direct positive color images
Inventor:
Noriyuki Inoue
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Oct 5, 1988
Inventor
Noriyuki Inoue
Assignee (at issue)
Fujitsu Limited
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.