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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 |
| 6997429 | Exterior mold A securing device comprising at least one latch (22) and at least one latch mating-element (26) are used on two mutually displaceable mold-casing segments (14, 16) to close or open a mold casing (10) used in manufacturing molded bodies, i... | 02/14/2006 |
| 6946605 | Cable management system A cable management system is provided that facilitates routing of cables from a rack, frame or cabinet. The cable management system may be mounted in a vertical or a horizontal orientation, and generally includes a wire cage assembly and at least one cable guide mou... | 09/20/2005 |
| 6676102 | Adjustable modular form system and method for rectilinear concrete column form A modular form panel and a method of employing the same are provided for use when forming a rectilinear concrete column form. The form panel comprises a first side edge and a second side edge, with the first side edge having a plurality of attachment hole... | 01/13/2004 |
| 6668511 | Formwork for pillars It is constituted by several plates (1), provided in its outer side (4) with transverse ribs (5), formed by C-shaped profiles and joined together to form a prismatic contour (7), closed by the inner flat sides of all the plates, the plates comprising a me... | 12/30/2003 |
| 6374589 | Energy supply chain An energy supply chain for guiding conduits such as cables, hoses or the like between a stationary and a movable connection point or between two connection points which are movable relative to each other comprises a plurality of hingedly interconnected ch... | 04/23/2002 |
| 6161372 | Energy supply chain with extra tough core chain links and method for the production of one such chain link To increase the self-supporting lengths and to achieve a higher load-bearing capacity for an energy guide chain, there is proposed a chain link which has two spaced-apart, mutually oppositely disposed, plate-shaped chain link portions (9) and at least one... | 12/19/2000 |
| 4917346 | Concrete form shuttering A form for erecting structures having an plan shape, any generatrix and possibly changing wall thickness includes an inner form (1) and an outer form (2). Circumferentially closed support rings (5,6) are arranged horizontally spaced from the inner form as... | 04/17/1990 |
| 4708315 | Multiple purpose concrete form with side rail stiffeners Multipurpose concrete form panels are constructed using cross stiffener members for resistance to deflection under load. Each of the cross stiffener members is formed of a base strip of metal with a pair of parallel ribs of hat section extending therefrom... | 11/24/1987 |
| 4601456 | Apparatus for forming a concrete structure An apparatus for forming concrete structures which is comprised of size variable form units that can be erected in various forms by incorporating telescopic struts, telescopic batters with fastening means including spring catch members and spring latch me... | 07/22/1986 |
| 4057163 | Metal container with thick walls A metal container with thick walls, comprising various parts assembled and elded, and provided with at least one nozzle connecting it to a pipe and support means, each nozzle and the support means being manufactured integral with the part of the container ... | 11/08/1977 |
| 3980268 | Circular column mold having an upper alignment ring A reusable column mold particularly adapted for use in casting concrete pillars or columns, that mold including a sheet of flat, flexible material which can be rolled into a columnar configuration to erect the mold form and which can be readily stripped f... | 09/14/1976 |
| 3956437 | Method and apparatus for casting a concrete column A reusable column mold particularly adapted for use in casting concrete pillars or columns, that mold including a sheet of flat, flexible material which can be rolled into a columnar configuration to erect the mold form and which can be readily stripped f... | 05/11/1976 |
