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| Patents for John Harris | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 64,733 | May 14, 1867 | O. Gillmor, J.S. Allen | Improvement in Claws for Drawing Nails | |
 | 115,848 | Jun. 13, 1871 | J. Harris | Improvement in sawing-machines | |
| 224,824 | Feb. 24, 1880 | J. Harris | Wagon-Axle Cutter | ||
| CA-13,909 | Dec. 28, 1881 | J.C. McLachlan | Improvement in harvesting machines | ||
 | 494,140 | Mar. 28, 1893 | J. Harris | Hollow-chisel mortising machine | |