...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 |
| 7399325 | Method and apparatus for a hydrogen fuel cassette distribution and recovery system A cassette-based hydrogen fuel distribution and recovery method and system is disclosed. ... | 07/15/2008 |
| 7279222 | Solid-state hydrogen storage systems Improved hydrogen storage materials are disclosed. A first material comprises a hydrogen storage nanomaterial that contains nanoparticles or nanoparticle clusters of a metal that is capable of combining with hydrogen to form a metal hydride. The nanomaterials may be... | 10/09/2007 |
| 7169489 | Hydrogen storage, distribution, and recovery system Cassette based systems and methods of hydrogen storage, distribution, and recovery are disclosed. A cassette or other container may contain a hydrogen storage or storing material. Information may be stored in the material and subsequently read or accessed. A probe m... | 01/30/2007 |
| 7011768 | Methods for hydrogen storage using doped alanate compositions The present invention concerns compositions, apparatus and methods for hydrogen storage. In certain embodiments, the compositions comprise sodium alanate and {n5-C5H5}2TiH2. In preferred embodiments, the compone... | 03/14/2006 |