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| Patents for Levi P. Graham | |||||
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| Number | Date | Patentee | Title | Type | |
| 173,714 | Feb. 22, 1876 | F.N. Carter | Improvement in sawing-machines | drag saws | |
| 203,272 | May 07, 1878 | H.W. Hill | Hog-Ringing Implement | hog ring | |