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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 |
| 6918897 | SPF vending machine and method An automatic sunscreen application vending apparatus which accepts payment from a user, stores a plurality of grades of sunscreen lotion, allows the user to select a grade of suntan lotion such as by SPF factor, and sprays the user with the selected grade of stored ... | 07/19/2005 |
| 6747097 | Hydroxyl-terminated polybutadienes and curing formulations Compositions comprising (A) non-branched polybutadiene having terminal hydroxyl functionality less than 2 per molecule by average; and (B) branched polybutadiene having terminal hydroxyl functionality more than 2 per molecule by average; the weight ratio of (A) to (... | 06/08/2004 |
| 6722056 | Drying vapor generation Drying semiconductor wafers or substrates by introducing an polar organic compound in liquid form into or onto means for enhancing evaporation within a process chamber and allowing the liquid to evaporate and form a drying vapor within the process chamber. ... | 04/20/2004 |
