...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7244089 | Device for removing metallic objects from a railway bed A machine which travels on railroad rails includes a conveyor belt which transports metallic objects from a railway bed into a hopper. The conveyor belt revolves around a pair of rollers mounted on the framework of a conveyor belt assembly. One roller magnetically p... | 07/17/2007 |
| 7051863 | Transferring apparatus, carrying apparatus, and transferring method A transferring apparatus is provided between a plurality of carrying apparatuses, each carrying apparatus comprising support means for supporting carried products Wf, guide means for controlling the moving direction of the support means, the guide means being provid... | 05/30/2006 |
| 6629595 | Conveyor system A conveyor system includes a first conveyor, a second conveyor and a transfer mechanism interposed between the first and second conveyors. The first conveyor has an input end, an output end, and a pair of laterally spaced belts rotating between its input ... | 10/07/2003 |