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| Patents for Harriet L. Slason | |||||
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| Number | Date | Patentee | Title | Type | |
| 683,592 | Oct. 01, 1901 | E.P. Bullard, Jr. | Vertical Turret-Lathe | turret lathes | |
| 696,405 | Apr. 01, 1902 | R.A. Breul | Clamping Wrench | quick adjust wrenches | |