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| Patents for Edward H. Ashcroft | |||||
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| Number | Date | Patentee | Title | Type | |
| 28,328 | May 15, 1860 | J.H. Parker | Hand-drill | ratchet drills | |
| 46,981 | Mar. 28, 1865 | E.H. Ashcroft | Improved ratchet-drill | ratchet drills | |