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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 |
| 7707751 | Adjustable orthotic An example orthotic is described which may include a cushioning first layer and a shell layer. The shell layer may be configured to extend longitudinally from at least the talus-navicular joint to the medial cuneiform-first metatarsal joint and laterally under at le... | 05/04/2010 |
| 6609314 | Mechanical interior shoe adjustment In a shoe, an apparatus for the support of a foot, comprising a semi rigid piece of metal or plastic extending from the heel to the ball of the foot, disposed over the inner sole of the shoe, and a screw penetrating upward to raise or lower the semi rigid... | 08/26/2003 |
| 5903985 | Sport boot provided with an adjustable arch support, and an adjustable arch support therefor Sport boot including a sole overlaid by an upper, the boot having an internal support surface for the foot and a portion for supporting the arch of the user's foot, wherein the supporting portion is constituted by a flexible, elastically deformable elemen... | 05/18/1999 |
| 5285584 | Mechanical custom molding of footgear An apparatus for providing footgear with comfortable individualized custom support, said apparatus comprising mechanical means to selectively and seperately change the position of multiple areas of the inner sole of said footgear, said areas corresponding... | 02/15/1994 |
| 5036604 | Adjustable foot support system An orthotic element for use in shoes is adjustable by the wearer in contour and/or support, and optionally includes structure for determining the degree and effectiveness of the adjustment. The adjustment mechanism also provides for variation of the axial... | 08/06/1991 |
| 4331152 | Orthopedic shoe An orthopedic shoe in which the tip is automatically erected when the wearer's foot is raised to bring it forward to take a step during walking. A flexible metal plate is concealed or sandwiched at one end between two portions of a sole with one portion f... | 05/25/1982 |
