Granted Patent
Utility
US 4,835,624 · App. 07/058,348
High-speed magnetic encoding apparatus and method
Inventors:
Charles H. Black, Vincent LaSusa
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Jun 5, 1987
Inventors
Charles H. Black
Vincent LaSusa
Assignee (at issue)
Scientific Games of California, 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.