Granted Patent
Utility
US 5,502,297 · App. 08/354,274
Method and apparatus for detecting the presence of a surface bearing a bar code symbol
Inventor:
David Sherman
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Dec 12, 1994
Inventor
David Sherman
Assignee (at issue)
INTERMEC, 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.