Granted Patent
Utility
US 4,447,058 · App. 06/262,227
Game gate device
Inventor:
Roman A. Tojza
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: May 11, 1981
Inventor
Roman A. Tojza
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.