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...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 |
| 6491562 | Automation designing kit A kit that can be assembled to make a moving toy comprises a container having at least one wall portion movable between a closed position closing an opening in the container and an open position allowing access to the inside of the container through the o... | 12/10/2002 |
