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| Patents for W. Haskell King | |||||
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| Number | Date | Patentee | Title | Type | |
| 209,897 | Nov. 12, 1878 | W.H. King | Lathe Chuck | metal lathe chucks | |
| 242,656 | Jun. 07, 1881 | W.H. King | Bit-gage | drill depth stops | |