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| Patents for W. H. Williams | |||||
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| Number | Date | Patentee | Title | Type | |
| 544,411 | Aug. 13, 1895 | H.D. Lanfair | Drill chuck | ||
| 947,079 | Jan. 18, 1910 | R. Latcham | Antifriction shaper-collar | wood shapers | |