Granted Patent
Utility
US 5,324,923 · App. 07/694,616
Apparatus for producing a dynamically variable machine readable binary code and method for reading and producing thereof
Inventors:
Robert S. Cymbalski, Christen V. Nielsen
Patented Case
View Patent ↗
Granted: Jun 28, 1994
Filed: May 7, 1991
Inventors
Robert S. Cymbalski
Christen V. Nielsen
Assignee (at issue)
International Data Matrix, 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.