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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 |
| 6410862 | Device and method for measuring the flow rate of drill cuttings This invention relates to a device for measuring the flow rate of spoil from a drilling brought to the surface by means of a drilling fluid. The device comprises means of collecting the spoil and means of continuously measuring the weight of spoil collect... | 06/25/2002 |
| 4781308 | Product feeding device A product feeding device suitable for use with a combination weighing machine having a plurality of weighing hopper. The device comprises a central vibrating dispersion table for dispersing product fed to the center of the table outwardly toward the perip... | 11/01/1988 |
| 4693355 | Automatic combinatorial weighting apparatus An automatic combinatorial weighing apparatus includes a double collection chute assembly disposed in delivery paths for passage of articles to be weighed. The double collection chute assembly includes an inner collection chute having an outlet and a pair... | 09/15/1987 |
