John Gunzburger

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Channahon, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Electric drive retarding system and method
- Patent number 8,324,846
- Issue date Dec 4, 2012
- Caterpillar Inc.
- David G. Marchand
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Electric drive retarding system and method
- Publication number 20100066280
- Publication date Mar 18, 2010
- CATERPILLAR INC.
- David G. Marchand
- B60 - VEHICLES IN GENERAL