Granted Patent
Utility
US 4,817,179 · App. 06/946,798
Digital image enhancement methods and apparatus
Inventor:
Daniel Buck
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Dec 29, 1986
Inventor
Daniel Buck
Assignee (at issue)
Scan-Optics Inc.
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.