Granted Patent
Utility
US 5,717,791 · App. 08/554,918
Image contrast enhancing method
Inventors:
Francis Labaere, Pieter Vuylsteke
Patented Case
View Patent ↗
Granted: Feb 10, 1998
Filed: Nov 9, 1995
Inventors
Francis Labaere
Pieter Vuylsteke
Assignee (at issue)
Agfa-Gevaert NV
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.