Granted Patent
Utility
US 6,481,718 · App. 09/736,113
Method of playing blackjack with a side wager
Inventor:
David C Koelling
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Dec 11, 2000
Inventor
David C Koelling
Assignee (at issue)
DigiDeal 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.