Granted Patent
Utility
US 5,681,065 · App. 08/354,893
Recyclable instant scratch-off lottery ticket with improved security to prevent unauthorized detection of lottery indicia
Inventors:
Louis Rua, Jr., Christopher Tararuj, Stephen E. Martin
Patented Case
View Patent ↗
Granted: Oct 28, 1997
Filed: Dec 9, 1994
Inventors
Louis Rua, Jr.
Christopher Tararuj
Stephen E. Martin
Assignee (at issue)
Webcraft 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.