Granted Patent
Utility
US 5,900,862 · App. 08/396,907
Color generation and mixing device
Inventors:
Kia Silverbrook, Simon Robert Walmsley
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Mar 1, 1995
Inventors
Kia Silverbrook
Simon Robert Walmsley
Assignees (at issue)
CANON KABUSHIKI KAISHA
Canon Information Systems Research Australia Pty. 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.