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| Patents for William H. Hankin Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 129,731 | Jul. 23, 1872 | W. Hawley | Improvement in Saw Frames | frame saws | |
| 225,928 | Mar. 30, 1880 | W.H. Hankin, Jr. | Buck-saw frame | frame saws | |
| 280,612 | Jul. 03, 1883 | C. Tenney, W.H. Hankin, Jr. | Reinforcing Plate for Saw Handles | saw handles | |
| 295,385 | Mar. 18, 1884 | W.H. Hankin, Jr. | Saw | saw handles | |
| 309,388 | Dec. 16, 1884 | W.H. Hankin, Jr. | Saw Handle | saw handles | |