Granted Patent
Utility
US 5,498,879 · App. 08/229,922
Apparatus for the optical recognition of documents by photoelectric elements having vision angles with different length and width
Inventor:
Ivo De Man
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Apr 19, 1994
Inventor
Ivo De Man
Assignee (at issue)
Mars, Incorporated
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.