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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 |
| 4888178 | Galenic formulations with programmed release containing naproxen A galenic formulations are disclosed with programmed release, to be administered orally containing as the active ingredient a compound having antiphlogistic, analgesic and antipyretic activity like, for instance, an arylacetic or an arylpropionic acid, an... | 12/19/1989 |
