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| Patents for John B. Tarr | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 55,389 | Jun. 05, 1866 | J.B. Tarr | Improvement in planing-machines | |
| 79,610 | Jul. 07, 1868 | J.B. Tarr | Machine for Polishing Spherical Shot and Shells | ||