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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 |
| 7680369 | Optical fibre switching assembly An optical beam steering arrangement, comprises: a moveable optical element; actuating means for causing the movement of said element; a connecting means between said element and said actuating means for transmitting movement from said actuating means to said elemen... | 03/16/2010 |
| 7590316 | Optical switch An optical switch, comprises: a plurality of N input ports (2); a plurality of M output ports (24); and a plurality of displaceable beam steering arrangements (1) which, during switching, displace; N being greater or equal to 3 while M is greate... | 09/15/2009 |
| 7106925 | Optical fibre switching assembly An optical guide switching assembly in which steering devices are used to assembly deflect radiation from a transmitting guide to a selected receiving guide. Each of the steering devices includes a collimator for light emerging from the transmitting guide and an act... | 09/12/2006 |
