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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 |
| 5207284 | Mechanical scale conversion system A load indicator conversion system is disclosed for converting a scale having a mechanical measuring system, such as a conventional portable beam scale, into a scale having an electronic measuring system for providing an electronic display, such as an LCD... | 05/04/1993 |
| 4300646 | Electromagnetically compensating precision scale with flexure for thermal expansion An electromagnetically compensated precision scale has a load support guided for parallel movement by a guide assembly comprising upper and lower guides defining a triangular shape in plan connected to a housing and to the load support by flexible couplin... | 11/17/1981 |
| 4094370 | Vessel for weighing materials Vessel for weighing hot or cold fluid materials, having an elastic filling conduit of which a temperature difference may give a reading error. This error is corrected by a prestressing force on this conduit.... | 06/13/1978 |
