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| Patents for John Barnes | |||||
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| Number | Date | Patentee | Title | Type | |
| 285,726 | Sep. 25, 1883 | W.F. Barnes, J. Barnes | Machinist drill press | drill presses | |
| 449,571 | Mar. 31, 1891 | J. Barnes | Reversible rotary cutter | cutterheads | |
| 461,253 | Oct. 13, 1891 | W.F. Barnes | Drilling-machine | drill presses | |
| 556,049 | Mar. 10, 1896 | J.C. Gregory | Wrench | quick adjust wrenches | |
| 556,658 | Mar. 17, 1896 | J. Barnes | Gage for wood-sawing machines | tablesaw accessories | |