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| Patents for W. C. Chaffee | |||||
| Number | Date | Patentee | Title | Type | |
| 161,682 | Apr. 06, 1875 | L.L. Hepburn | Cartridge-Loading Implement | cartridge tools | |
| 186,419 | Jan. 23, 1877 | J.B. Pricke | Draftsman's Compass | compasses | |