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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 3934274 | Deflatable mammary augmentation prosthesis An implantable double walled tissue augmentation prosthesis consisting of a gel or liquid filled container within a liquid fillable container. A one-way flap valve is positioned within the wall of the liquid fillable container so that liquid may be select... | 01/27/1976 |
