Stefan Zimmermann

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Patents Grantslast 30 patents

Information Patent Grant
Scatter symbols in game award different number of free games and mu...
- Patent number 9,098,976
- Issue date Aug 4, 2015
- GTECH Germany GmbH
- Stefan Zimmermann
- G07 - CHECKING-DEVICES
Information Patent Grant
Game for a gaming device having displayed symbols creating a maze
- Patent number 7,419,431
- Issue date Sep 2, 2008
- Atronic International GmbH
- Michael Gauselmann
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
Scatter Symbols In Game Award Different Number Of Free Games And Mu...
- Publication number 20080139285
- Publication date Jun 12, 2008
- ATRONIC INTERNATIONAL GMBH
- Stefan Zimmermann
- G07 - CHECKING-DEVICES
Information Patent Application
Game for a gaming device having displayed symbols creating a maze
- Publication number 20040137981
- Publication date Jul 15, 2004
- Michael Gauselmann
- G07 - CHECKING-DEVICES