Fred J. Silbernagel

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Oklahoma City, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Front discharge transit mixer
- Patent number 6,152,457
- Issue date Nov 28, 2000
- Maxim Trucks
- Fred J. Silbernagel
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Front discharge transit mixer with weight system for determining am...
- Patent number 6,123,444
- Issue date Sep 26, 2000
- Maxim Trucks
- Fred J. Silbernagel
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Front discharge transit mixer with movable rear drum mount
- Patent number 5,954,429
- Issue date Sep 21, 1999
- Fred J. Silbernagel
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Front discharge transit mixer
- Patent number 5,884,998
- Issue date Mar 23, 1999
- Maxim Trucks
- Fred J. Silbernagel
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Extensible discharge chute assembly
- Patent number 5,192,178
- Issue date Mar 9, 1993
- Frederick J. Silbernagel
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Front discharge transit mixer
- Publication number 20050213422
- Publication date Sep 29, 2005
- Fred J. Silbernagel
- B60 - VEHICLES IN GENERAL
Information Patent Application
Front discharge transit mixer
- Publication number 20050029793
- Publication date Feb 10, 2005
- Fred J. Silbernagel
- B60 - VEHICLES IN GENERAL
Information Patent Application
Front discharge transit mixer
- Publication number 20040036236
- Publication date Feb 26, 2004
- Fred J. Silbernagel
- B60 - VEHICLES IN GENERAL
Information Patent Application
Front discharge transit mixer
- Publication number 20020163142
- Publication date Nov 7, 2002
- Fred J. Silbernagel
- B60 - VEHICLES IN GENERAL