Mark G. Ringdahl

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Chanhassen, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Car wash with responsive bonus function
- Patent number 7,637,365
- Issue date Dec 29, 2009
- Mark G. Ringdahl
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ADAPTABLE CAR WASH MESSAGING SYSTEM
- Publication number 20100219039
- Publication date Sep 2, 2010
- Mark G. Ringdahl
- B60 - VEHICLES IN GENERAL
Information Patent Application
Adaptable car wash messaging system
- Publication number 20060144430
- Publication date Jul 6, 2006
- Mark G. Ringdahl
- B60 - VEHICLES IN GENERAL
Information Patent Application
Car wash with responsive bonus function
- Publication number 20050000777
- Publication date Jan 6, 2005
- Mark G. Ringdahl
- B60 - VEHICLES IN GENERAL