Tonja Wall

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Hamilton, MT, US

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Patents Grantslast 30 patents

Information Patent Grant
Convertor dolly with self steering
- Patent number 7,934,743
- Issue date May 3, 2011
- Roy Wall
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Trailer with sliding safety door
- Patent number 7,878,575
- Issue date Feb 1, 2011
- Roy Wall
- B60 - VEHICLES IN GENERAL