Patents in subclass Bridges/Horizontally Sliding
Parent class: Bridges
| Number | Patent title | Issue Date |
|---|---|---|
| 06851149 | Lift-slide drawbridge This invention relates generally to a drawbridge apparatus for reversibly spanning from a first base to a second base, and more particularly to a cantilever drawbridge with an initial vertical motion of the bridge deck then a sliding or... |
02/08/2005 |
| 06568019 | Mechanical bridge assembly and method An apparatus for opening a mechanical bridge. The apparatus includes at least two adjacent bridge spans where the first of the bridge spans is removable from its initial position and the second of the bridge spans is at least partially... |
05/27/2003 |