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| Patents for Tower & Lyon | |||||
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| Number | Date | Patentee | Title | Type | |
| 481,389 | Aug. 23, 1892 | E.A. Cochran | Wrench | quick adjust wrenches | |
| 539,155 | May 14, 1895 | J.J. Tower | Improvement in Screw - Drivers | screwdriver handles | |
| 618,245 | Jan. 24, 1899 | M.D. Converse | Monkey Wrench | quick adjust wrenches | |
| 661,011 | Oct. 30, 1900 | M.D. Converse | Involute Wrench | alligator wrenches | |
| 783,023 | Feb. 21, 1905 | M.D. Converse | Improvement in Screwdriver blades | screwdriver handles | |
| 787,896 | Apr. 25, 1905 | M.D. Converse | Plumb bob | plumb bobs | |