Granted Patent
Utility
US 4,842,976 · App. 06/339,917
Color image-forming process
Inventor:
Frederick W. Sanders
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Jan 18, 1982
Inventor
Frederick W. Sanders
Assignee (at issue)
The Mead Corporation
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.