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| Number | Title | Issue Date |
| 7909411 | Cycle rim using a sleeve connection and a method of manufacturing such rim The invention is directed to a rim such as a rim for a cycle. The rim includes a circularly extending hollow box-shaped element, in the form of a radial profile of revolution about a transverse axis, with two end surfaces of such element being joined end-to-end at a... | 03/22/2011 |
| 7252347 | Belt over mid-rollers A wheel structure driven by an endless track belt tensioned around a drive wheel and an idler wheel thereof, comprising a plurality of supporting mid-roller wheels provided between the drive wheel and the idler wheel, a second endless belt being tensioned around thi... | 08/07/2007 |
