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| Patents for Weyburn & Briggs Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 609,265 | Aug. 16, 1898 | W.A. Clark | Upsetting-machine for plowshares | upsetting machines | |
| 619,010 | Feb. 07, 1899 | F.S. Blakesley | Twyer-Iron | forge tuyeres | |
| 628,431 | Jul. 04, 1899 | W.A. Clark | Plow-point | plows | |