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| Patents for William Riley | |||||
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| Number | Date | Patentee | Title | Type | |
| 176,694 | Apr. 25, 1876 | E. Saunders | Improvement in Screw-Cutting Die-Stocks | plumber | |
| 204,254 | May 28, 1878 | A. Saunders | Improvement in Chucks | pipe and chain vises | |
| 252,903 | Jan. 31, 1882 | A. Saunders | Reamer | plumber | |
| 290,222 | Dec. 18, 1883 | J.P. Ferrenburg | Shingle machine | shingle machines | |
| 953,848 | Apr. 05, 1910 | F.M. Leavitt | Exploder for automobile-torpedoes | torpedoes | |