Donald T. Szopinski

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Hartland, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Engine air/fuel mixing apparatus
- Patent number 7,628,387
- Issue date Dec 8, 2009
- Briggs & Stratton Corporation
- Max W. Clouse
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine balancing system having freely rotatable single counterbalan...
- Patent number 5,038,727
- Issue date Aug 13, 1991
- Briggs & Stratton Corporation
- Roger Burns
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS