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Document Document Title
6892409
A bridge is provided with at least five segments connected in series. Each segment includes two opposed ends. The ends of adjacent segments are in pivoting connection with respect to each other. The bridge also comprises a plurality of c...  
4649688
An improvement in the art of bowstring roof truss construction comprising an altered web pattern in which the diagonal and vertical webs, normally converging at points alternately within the geometric confines of the top chord and the bo...  
4631772
A structural system for use in bridges, buildings and other structures. The system supports part of its load by tension action and part of its load by arch action. Cables are stretched and anchored between end supports. Lateral compressi...  
4464803
A structural system for use in bridges, buildings and other structures. The system supports part of its load by tension action and part of its load by arch action. Cables are stretched and anchored between end supports. Lateral compressi...  
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Matches 1 - 50 out of 54