1930s
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![Airplane building Airplane building](http://patentroom.com/files/images/airplane-building.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 23:29
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![Ragsdale rail vehicle Ragsdale rail vehicle](http://patentroom.com/files/images/ragsdalerailvehicle.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 03:06
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![Ragsdale rail car Ragsdale rail car](http://patentroom.com/files/images/ragsdalerailcar.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 03:06
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![Locomotive and tender Locomotive and tender](http://patentroom.com/files/images/locomotiveandtender.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 03:05
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![Knickerbocker locomotive Knickerbocker locomotive](http://patentroom.com/files/images/knickerbocker.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 03:05
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![Locomotive Locomotive](http://patentroom.com/files/images/ingersoll.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 03:05
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![Turbine Locomotive Turbine Locomotive](http://patentroom.com/files/images/fraser-locomotive.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 03:05
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![Articulated Rail Car Articulated Rail Car](http://patentroom.com/files/images/articulatedrailcar.thumbnail.gif)
Posted by: ken
Sun, 05/27/2007 - 16:02