Granted Patent
Utility
US 5,488,491 · App. 08/086,391
Image processing apparatus and method for eliminating background density in a designated image area
Inventor:
James J. Steinkirchner
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Jul 6, 1993
Inventor
James J. Steinkirchner
Assignee (at issue)
EASTMAN KODAK COMPANY
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.