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| All Patents in class 69/13 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 900X | Jul. 09, 1808 | S. Parker | Tanning | |
| 6,517X | Apr. 23, 1831 | A. Richardson | Machine for splitting leather | ||
 | 459,325 | Sep. 08, 1891 | B.D. Whitney | Feed-roller | |
| 899,276 | Sep. 22, 1908 | L.B. Whipple | Sectional Feed Roll for Planing and Other Machines | ||
 | 1,010,065 | Nov. 28, 1911 | B. Medalie | Leather-skiving machine | |
 | 1,150,928 | Aug. 24, 1915 | E. Cesar | Leather Sole Cutter | |