...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 |
| 7111792 | Extensible connector for conductor rails A connector for connecting two conductor rail sections, the connector having an electrical conductor that is fastened at each end to the conductor rails. A central region of the conductor is fastened to a connection element. The connection element is slidingly conne... | 09/26/2006 |
| 4102497 | Rail bond Rail bonds providing electrical connections between adjoining and parallel rail lengths, between rail and external circuits, between rail and frogs, switches and the like include a rail bond terminal comprising a stranded conductor, an inner sleeve having... | 07/25/1978 |