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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 |
| D644897 | Water-softener filter wrench | 09/13/2011 |
| D630575 | Solar lighter | 01/11/2011 |
| 7764435 | Reduced-footprint illumination system using highly-efficient optical collection and reflection surface(s) and method for manufacturing optical elements used therein An improved optical collection and transmission surface includes a plastic mold injection surface including staggered multiple transmission sites each with a recessed portion in which incident light is not lost during reflection towards the propagation surface. A de... | 07/27/2010 |
| D619533 | Solar lighter | 07/13/2010 |
| 7680996 | Method and system for shrinking a set of data using a differential snapshot, a watch-list structure along with identifying and retaining updated blocks At the beginning of an online backup operation, the backup software system creates a snapshot of source data storage. The snapshot includes a watch-list used for identifying blocks of a source storage which are watched by snapshot management means for update. If a b... | 03/16/2010 |
| 7584976 | Ergonomically improved rowing motion-propelled convertible wheelchair using retractible fifth wheel The Trike's unique power source is provided by a rowing-type motion of the user rather than the less efficient “hand rim” grip or wrist propulsion. The rowing motion significantly reduces the chances for repetitive stress injuries, like carpal tunnel. Furthermor... | 09/08/2009 |
| 7286681 | Loudspeaker The invention relates to a loudspeaker comprising at least one magnet (5), a membrane (2) with an outer edge (32) defining an outer edge plane (30) of the membrane, a bead (3) surrounding the membrane (2), a moving coil (... | 10/23/2007 |
| 7277673 | Virtually geostationary satellite array with optimized parameters A plurality of satellites are placed into a virtually geosynchronous orbit, in which a first part of the orbit, that is near apogee, has a similar movement to the rotation of the earth, and therefore the orbit appears virtually stationary relative to the earth. Diff... | 10/02/2007 |
| 7223941 | Reduced-volume commercial space heating system and method for manufacturing same A heating system has been incorporated into the commercial space fixture of a plastic chair mat to provide a space-saving heating system. The material for the plastic mat is chosen based on its thermal and electrical properties to provide necessary safety and suppor... | 05/29/2007 |
| 7199310 | Electromagnetic interference shielding structures for computer hard-drive enclosures The present invention provides a configuration of a hard drive enclosure system and method for manufacture in which a polymer including electromagnetic interference shielding (EMI shielding) properties is configured such that shielding gaskets may be reduced or elim... | 04/03/2007 |
