Granted Patent
Utility
US 5,774,260 · App. 08/345,806
Technique for depth of field viewing of images with increased clarity and contrast
Inventors:
Tony Petitto, Stanislaw Loth
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Nov 22, 1994
Inventors
Tony Petitto
Stanislaw Loth
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.