Granted Patent
Utility
US 6,245,711 · App. 09/429,073
Thermal paper with security features
Inventor:
Wendell B. Halbrook, Jr.
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Oct 29, 1999
Inventor
Wendell B. Halbrook, Jr.
Assignee (at issue)
NCR 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.