Granted Patent
Utility
US 5,895,321 · App. 08/750,800
Gambling chip
Inventors:
Christophe Gassies, Dominique Boiron
Patented Case
View Patent ↗
Granted: Apr 20, 1999
Filed: Dec 20, 1996
Inventors
Christophe Gassies
Dominique Boiron
Assignee (at issue)
Etablissements Bourgogne et Grasset
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.