Granted Patent
Utility
US 4,787,950 · App. 07/041,775
Method for fabricating imprinted ticket with scratch-off coating
Inventors:
Robert A. Meloni, Robert H. Tegtmeier
Patented Case
View Patent ↗
Granted: Nov 29, 1988
Filed: Apr 22, 1987
Inventors
Robert A. Meloni
Robert H. Tegtmeier
Assignee (at issue)
General Instrument 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.