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| Patents Granted on 1857-08-25 | |||||
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| Number | Date | Patentee | Title | Type | |
| 18,037 | Aug. 25, 1857 | J. Carpenter | Device for piercing blind-slats to receive the staples | windowblind machines | |
| 18,066 | Aug. 25, 1857 | S. Woodard | Method of clamping logs in crosscut-sawing machines | firewood machines | |