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 Date: 2014-02-09 12:34:12United States patent law Patent Technology Design patent Truss bridge Truss John A. Roebling Structural engineering Suspension bridge Engineering Bridges Civil engineering |
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| First Page | Document Content | |
|---|---|---|
Date: 2014-02-09 12:34:12United States patent law Patent Technology Design patent Truss bridge Truss John A. Roebling Structural engineering Suspension bridge Engineering Bridges Civil engineering |
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The Limited Monopoly: Patenting Structures and Buildings