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| Number | Title | Issue Date |
| 7048659 | Gear shift device for bicycles A motorized bicycle gear shift device comprising a derailleur and an electric motor, associated directly with the derailleur, for controlling the derailleur and an electric transducer of absolute type, also associated with the derailleur for producing an electric si... | 05/23/2006 |
| 4794777 | Continuous extrusion of metals A rotary wheel member for use in a rotary, friction type, continuous extrusion apparatus is produced by (a) producing a rotary wheel having formed in its cylindrical peripheral portion a continuous groove, and secured in that groove for movement with the ... | 01/03/1989 |
