Granted Patent
Utility
US 6,506,115 · App. 09/884,268
Method of estimating the performance of a croupier at a roulette table
Inventor:
Ewald Mothwurf
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Jun 19, 2001
Inventor
Ewald Mothwurf
Assignee (at issue)
Grips Electronics Ges.m.b.H
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.