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| Patents for W. E. Simonds | |||||
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| Number | Date | Patentee | Title | Type | |
| 190,459 | May 08, 1877 | H. Wilkinson | Improvement in Screw-Driver Handles | screwdriver handles | |
| 249,821 | Nov. 22, 1881 | S.H. Bellows | Combination Square | center squares | |
| 258,236 | May 23, 1882 | G.W. Laraway, D. Slate | Pulp-molding machinery | ||
| 552,342 | Dec. 31, 1895 | W.B. White | Compass-Saw | compass saws | |
| 613,950 | Nov. 08, 1898 | E.C. Lewis, H.G. Hoadley, H.D. Williams | Lever and Ratch Attachment | ratchet wrenches | |