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| Patents for John F. Stevenson | |||||
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| Number | Date | Patentee | Title | Type | |
| 152,393 | Jun. 23, 1874 | W.F. Brenizer, P. McBride | Improvement in sandpapering-machines | sanding machines | |
| 276,323 | Apr. 24, 1883 | R.H. Ainsworth | Cutter-head | cutterheads | |