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| All Patents in class 99/524 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 9,961 | Aug. 23, 1853 | L.A. Walbach | Boring cannon | |
 | 310,476 | Jan. 06, 1885 | A.L. Teetor | Grain Scourer | |
 | 548,054 | Oct. 15, 1895 | C.A. Hege | Machine for hulling coffee, &c. | |