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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 |
| 5603153 | Methodology for forming stamped sheet metal parts of complex configuration A method and apparatus for forming sheet metal parts of complex configuration and/or sheet metal parts including inherent joints. The part is formed in a continuous run through a stamping press wherein a strip of sheet metal is moved incrementally and con... | 02/18/1997 |
| 5592810 | Clevis link A stamped link and a method of forming the link. The link is a clevis link formed of a single piece of sheet metal and includes a generally planar main body portion, a curl portion proximate the rearward end of the link forming a first bearing surface def... | 01/14/1997 |
| 5533328 | Method of forming a clevis link A link is formed by forming a bubble between the longitudinal side edges of the link extending from the forward end of the link to a location spaced from the rearward end of the link so as to form laterally spaced upwardly extending side walls proximate t... | 07/09/1996 |
| 5435661 | Clevis link A stamped link and a method of forming the link. The link is a clevis link formed of a single piece of sheet metal and includes a generally planar main body portion, a curl portion proximate the rearward end of the link forming a first bearing surface def... | 07/25/1995 |
