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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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| Application No. | Application Title | Issue Date |
| 20110031087 | FLAT BELT [Problem] In a clutch mechanism using magnetic force, the problem is to avoid early damage to the rubber layer in contact with a rotating member without impairing the power transmission interrupting function of the mechanism. [Solving Means... | 02/10/2011 |
