Granted Patent
Utility
US 5,155,589 · App. 07/687,678
Storage and retrieval of images from a grey image having artificially enhanced color regions
Inventor:
David S. Gere
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Apr 19, 1991
Inventor
David S. Gere
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.