Granted Patent
Utility
US 6,067,191 · App. 09/006,894
Technique for depth of field viewing of images using an aspherical lens
Inventors:
Tony Petitto, Stanislaw Loth
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Jan 14, 1998
Inventors
Tony Petitto
Stanislaw Loth
Assignee (at issue)
DOFI Technologies, 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.