...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 |
| 20100010199 | MAKING INFLUENZA VIRUS VACCINES WITHOUT USING EGGS Currently, the steps performed prior to release of influenza strains to vaccine manufacturers involve passaging influenza virus through eggs. The invention aims to provide procedures useful in manufacturing influenza vaccines, in which the use of eggs is reduced, and pr... | 01/14/2010 |