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| Patents for Benjamin S. T. Bishop | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,549,178 | Aug. 11, 1925 | B.S. Bishop | Tapping machine | tapping machines | |
| 1,560,776 | Nov. 10, 1925 | B.S. Bishop, A.J. Gifford | Clutch for power feed | drilling and boring | |