1940s
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![Callaway vacation home 2 Callaway vacation home 2](http://patentroom.com/files/images/callaway-vacation-home.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 23:29
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![Bulb house Bulb house](http://patentroom.com/files/images/bulbhouse.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 23:29
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![Building unit Building unit](http://patentroom.com/files/images/buildingunit.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 23:29
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![Bubble building Bubble building](http://patentroom.com/files/images/bubble-building.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 23:29
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![Beach building with observation deck Beach building with observation deck](http://patentroom.com/files/images/beach-building.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 23:29
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![Service station Service station](http://patentroom.com/files/images/aldrich-service-station.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 23:29
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![Steam motive power Steam motive power](http://patentroom.com/files/images/surdy-steam.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 03:06
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![Markestein locomotive Markestein locomotive](http://patentroom.com/files/images/markesteinlocomotive.thumbnail.gif)
Posted by: ken
Mon, 05/28/2007 - 03:05