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| Patents for Frank E. Parkinson | |||||
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| Picture | Number | Date | Patentee | Title | |
| 356,118 | Jan. 18, 1887 | H. Goodenow | Combined punch, shear and tire shrinker | ||
 | 421,861 | Feb. 18, 1890 | C.A. French | Back-guard for circular saws | |