Granted Patent
Utility
US 6,054,021 · App. 09/233,437
Process of manufacturing authenticatable paper products
Inventors:
Frederick L. Kurrle, Christopher Parks
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Jan 20, 1999
Inventors
Frederick L. Kurrle
Christopher Parks
Assignee (at issue)
Westvaco Corporation
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.