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| Patents for John K. Hallock | |||||
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| Number | Date | Patentee | Title | Type | |
| 406,323 | Jul. 02, 1889 | W.M. Wilkin | Band-saw mill | bandsaws | |
| 406,324 | Jul. 02, 1889 | W.M. Wilkin | Gang-saw mill | reciprocating sawmills | |
| 456,560 | Jul. 28, 1891 | H.H. Fuller | Drill-press | drill presses | |
| 539,320 | May 14, 1895 | W.M. Wilkin | Bandsaw mill | band sawmills | |