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| Patents for William H. Chappell | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-189,711,244 | Jun. 05, 1897 | W.H. Perkins, W.H. Chappell | Improved Tool or Cutting for Planing and Shaping Machines | metal planer tools | |
| 617,670 | Jan. 10, 1899 | W.H. Chappell | Metal Planing Tool | metal planer tools | |