Granted Patent
Utility
US 4,923,779 · App. 07/294,449
Color-correcting exposure system for a photosensitive media
Inventor:
Erik K. Nelson
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Jan 9, 1989
Inventor
Erik K. Nelson
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.