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| Patents for W. L. Case | |||||
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| Number | Date | Patentee | Title | Type | |
| 422,045 | Feb. 25, 1890 | F.L. Adams | Combined Horseshoe Sharpener, Drill, and Saw Gummer | making handsaws | |
| 438,230 | Oct. 14, 1890 | J.G. Erd | Flue Hole Cutter | boilermaker | |