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| Patents for Lewis A. Weyburn | |||||
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| Number | Date | Patentee | Title | Type | |
| 376,792 | Jan. 24, 1888 | G.S. Briggs, L.A. Weyburn | Clevis for Plows | plows | |
| 609,265 | Aug. 16, 1898 | W.A. Clark | Upsetting-machine for plowshares | upsetting machines | |