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| Patents for Cyrus H. Hardy | |||||
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| Number | Date | Patentee | Title | Type | |
| 131,544 | Sep. 24, 1872 | C.H. Hardy | Plane with Slotted Sole | bench planes | |
| 143,072 | Sep. 23, 1873 | C.H. Hardy | Metallic Wedge with a Palm Grip | plane handles | |