Granted Patent
Utility
US 4,827,640 · App. 07/042,919
Gaming token and process therefor
Inventor:
Bernard Jones
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Apr 27, 1987
Inventor
Bernard Jones
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.