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| Patents for Henry W. Hathorn | |||||
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| Number | Date | Patentee | Title | Type | |
| 700,118 | May 13, 1902 | H.W. Hathorn | Pipe or Tube Sawing Machine | pipe cutting machines | |
| 758,361 | Apr. 26, 1904 | H.W. Hathorn | Power Hammer | trip and helve hammers | |
| CA-89,850 | Nov. 01, 1904 | H.W. Hathorn | Marteau Mecanique | trip and helve hammers | |
| 822,122 | May 29, 1906 | H.W. Hathorn | Tool-holder for lathes | lathe tool holders and tool posts | |