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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 |
| 6237156 | Visor for a baseball cap An adjustable visor (40) having the means for adjustment built into the visor (40) enabling the wearer of the cap (44) to change the angle of the visor (40) to a multitude of positions by means of a hinge (20) without requiring detaching the visor (40) fr... | 05/29/2001 |
| 6044495 | Detachable visor cover for baseball caps A detachable visor cover (20) having the means for attachment built into the detachable visor cover (20) enabling the wearer of baseball/golf or like cap to slide on and slide off the detachable visor cover (20) by use of a slide/track system (30) that is... | 04/04/2000 |
