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| Patents for George S. Long | |||||
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| Number | Date | Patentee | Title | Type | |
| 541,209 | Jun. 18, 1895 | G.S. Long | Screw-cutting tool | taps and dies | |
| 553,531 | Jan. 28, 1896 | G.S. Long | Drill-chuck | drill press chucks | |