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| Patents for Henry H. Weld | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,264,780 | Dec. 02, 1941 | W.C. Hillard, H.H. Weld | Tooling for Rotating Work | automatic lathes | |
| 2,431,852 | Dec. 02, 1947 | H.H. Weld | Toolholder Assembly | metalworking machine tool holders | |
| 2,521,619 | Sep. 05, 1950 | H.H. Weld | Grooving or Necking Mechanism | automatic lathes | |