Granted Patent
Utility
US 5,883,043 · App. 08/919,041
Thermal paper with security features
Inventors:
Wendell B. Halbrook, Jr., Christopher L. Langston, Maurice W. Lewis, Yaoping Tan
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Aug 27, 1997
Inventors
Wendell B. Halbrook, Jr.
Christopher L. Langston
Maurice W. Lewis
Yaoping Tan
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.