David C Koelling

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Spokane, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of playing blackjack with a side wager
- Patent number 6,481,718
- Issue date Nov 19, 2002
- Digideal Corporation
- David C Koelling
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method of playing blackjack with a side wager
- Patent number 6,158,741
- Issue date Dec 12, 2000
- Digideal Corporation
- David C Koelling
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method of playing blackjack with a side wager
- Publication number 20010000933
- Publication date May 10, 2001
- David C. Koelling
- A63 - SPORTS GAMES AMUSEMENTS