Granted Patent
Utility
US 6,244,764 · App. 09/489,023
Method for data matrix print quality verification
Inventors:
Ming Lei, Raymond Ackaouy
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Jan 21, 2000
Inventors
Ming Lei
Raymond Ackaouy
Assignee (at issue)
Robotic Vision Systems, 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.