...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 |
| D504546 | Canine relief station having watering outlet with internal water reservoir | 04/26/2005 |
| 5695531 | Fuel treating device The object of the present invention is to provide a fuel treating device having a small pressure loss and a high contacting efficiency between fuel and fuel treating material. To attain said object, fuel treating material(s) 16, 26, 36 is(are) movably arr... | 12/09/1997 |