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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 |
| 7124473 | Hinge for a notebook computer A hinge for a notebook includes an L-shaped seat with a barrel. A pintle has a shaft extending in the barrel of the seat. A first tube, a sleeve and a second tube are in turn mounted on the shaft. The first tube and second tube are securely received in the barrel an... | 10/24/2006 |
| 6663289 | Bearing with multi-layered spacers A bearing with one or more layers of lubricated spacers for dynamically brace-supporting first and second slide surfaces independently movable relative to each other. The spacers are positioned between the first and second slide surfaces, and each spacer ... | 12/16/2003 |
| 6220758 | Roller supporting device A roller supporting device which comprises a pair of supporting arms, a supporting shaft attached between the pair of supporting arms in a non-rotatable manner, and a roller having an inner hole in the central part thereof, the roller being disposed betwe... | 04/24/2001 |
| 6056442 | Roller supporting device A roller supporting device comprises a pair of supporting arms, a supporting shaft attached between the pair of supporting arms in a non-rotatable manner, and a roller having an inner hole in the central part thereof, the roller being disposed between the... | 05/02/2000 |
| 5927861 | Motor assembly having ion implantation on sliding surfaces A motor bearing device includes a bearing member, and a rotary shaft made of steel into which ions of metal element and carbon ions are implanted via a surface of the rotary shaft. The rotary shaft is slidable relative to the bearing member. The metal ele... | 07/27/1999 |
| 5713672 | Positioning pivot A positioning pivot including a shaft, at least one sleeve and at least one hinge butt is able to prolong its lifespan by inserting the sleeve between the shaft and the hinge butt after a combination of the shaft and the hinge butt is accomplished. Due to... | 02/03/1998 |
| 4005913 | Linear motion bearing block At least two linear motion bearings are mounted coaxially within a housing for relative movement with respect to a shaft located in the bore of the bearings. Preferably, the bearings are of the recirculating ball type and may be self-aligning or non-self-... | 02/01/1977 |
