Granted Patent
Utility
US 5,629,770 · App. 08/414,857
Document copying deterrent method using line and word shift techniques
Inventors:
John T. Brassil, Steven H. Low, Nicholas F. Maxemchuk, Lawrence O'Gorman
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Mar 31, 1995
Inventors
John T. Brassil
Steven H. Low
Nicholas F. Maxemchuk
Lawrence O'Gorman
Assignee (at issue)
LUCENT TECHNOLOGIES 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.