David L. Wichern

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St. Louis, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Internal wheel suspension system with shock absorption
- Patent number 8,863,794
- Issue date Oct 21, 2014
- David L. Wichern
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Internal wheel suspension and shock absorbing system
- Patent number 8,127,810
- Issue date Mar 6, 2012
- David L. Wichern
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Internal wheel suspension and shock absorbing system
- Patent number 7,810,533
- Issue date Oct 12, 2010
- David L. Wichern
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Internal wheel suspension system with shock absorption
- Publication number 20140034198
- Publication date Feb 6, 2014
- David L. Wichern
- B60 - VEHICLES IN GENERAL
Information Patent Application
Internal wheel suspension and shock absorbing system
- Publication number 20110030861
- Publication date Feb 10, 2011
- David L. Wichern
- B60 - VEHICLES IN GENERAL
Information Patent Application
Internal wheel suspension and shock absorbing system
- Publication number 20090152937
- Publication date Jun 18, 2009
- David L. Wichern
- B60 - VEHICLES IN GENERAL
Information Patent Application
Internal wheel suspension and shock absorbing system
- Publication number 20060197305
- Publication date Sep 7, 2006
- David L. Wichern
- B60 - VEHICLES IN GENERAL