Granted Patent
Utility
US 6,048,090 · App. 08/842,146
Error correction and concurrent verification of a product code
Inventor:
Christopher P. Zook
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Apr 23, 1997
Inventor
Christopher P. Zook
Assignee (at issue)
Cirrus Logic 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.