...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 |
| 5841059 | Projectile with an explosive load triggered by a target-sighting device The invention concerns projectiles having an explosive load generating splinter and/or a core and of which the operation is triggered by a fuse. This projectile is characterized in that the load comprises at least one direction of action and in that the f... | 11/24/1998 |