Granted Patent
Utility
US 4,939,354 · App. 07/190,205
Dynamically variable machine readable binary code and method for reading and producing thereof
Inventors:
Dennis G. Priddy, Robert S. Cymbalski
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: May 5, 1988
Inventors
Dennis G. Priddy
Robert S. Cymbalski
Assignee (at issue)
Datacode International, 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.