Granted Patent
Utility
US 5,794,532 · App. 08/942,283
Gambling chip and method of marking same
Inventors:
Christophe Gassies, Olivier Mauzac, Eric Philippe
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Oct 2, 1997
Inventors
Christophe Gassies
Olivier Mauzac
Eric Philippe
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.