Granted Patent
Utility
US 4,648,600 · App. 05/654,916
Video slot machine
Inventor:
William E. Olliges
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Feb 3, 1976
Inventor
William E. Olliges
Assignee (at issue)
Bally Manufacturing 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.