Roman A. Tojza

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Gaming apparatus having manually controllable-operating speed
- Patent number 4,443,209
- Issue date Apr 17, 1984
- Bally Manufacturing Corporation
- Donald E. Hooker
- G07 - CHECKING-DEVICES
Information Patent Grant
Gaming apparatus having manually controllable operating speed
- Patent number 4,440,036
- Issue date Apr 3, 1984
- Bally Manufacturing Corporation
- Donald E. Hooker
- G07 - CHECKING-DEVICES
Information Patent Grant
Drive mechanism for a variable speed gaming device
- Patent number 4,433,844
- Issue date Feb 28, 1984
- Bally Manufacturing Corporation
- Donald E. Hooker
- G07 - CHECKING-DEVICES
Information Patent Grant
Gaming apparatus having manually controllable operating speed
- Patent number 4,430,903
- Issue date Feb 14, 1984
- Bally Manufacturing Corporation
- Donald E. Hooker
- G07 - CHECKING-DEVICES
Information Patent Grant
Rotatable reel indexing having shock absorbing capability
- Patent number 4,427,196
- Issue date Jan 24, 1984
- Bally Manufacturing Corporation
- Donald E. Hooker
- G07 - CHECKING-DEVICES
Information Patent Grant
Variable speed gaming device
- Patent number 4,373,727
- Issue date Feb 15, 1983
- Bally Manufacturing Corporation
- Donald E. Hooker
- G07 - CHECKING-DEVICES
Information Patent Grant
Transport device for game machine
- Patent number 4,155,437
- Issue date May 22, 1979
- Bally Manufacturing Corporation
- Roman A. Tojza
- G07 - CHECKING-DEVICES