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| Number | Title | Issue Date |
| 4819565 | Tubular joint formed by two rolling membranes under low pressurization for intercommunication ring A tubular joint for connecting an intercommunication tunnel forming a passage compartment placed between two successive railroad on road vehicles or two successive members of access gangways to ships or to planes, said tubular joint being fitted on one ha... | 04/11/1989 |
| 4727814 | Interchangeable driveable leading or trailing railway car An inseparable railroad train unit comprises three cars and is adapted for use selectively as a self propelled unit and as an after-coupled unit in a passenger train of the through-passage type. At least the front end of the train unit has a central windo... | 03/01/1988 |
| 4452163 | Articulated coach coupling means An arrangement consisting of coupling elements allowing both pitch and yaw pivotal motion between two coupled modules or coaches, is disclosed. A transverse rod located at the end portion of one module is rigidly secured to a pair of arms and is supported... | 06/05/1984 |
