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| All Patents in class 221/219 | |||||
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| Number | Title | Classification(s) | |||
| 667,981 | Machine for turning bobbins | 142/19, 144/14, 144/154, 221/219 | |||
| 1,065,622 | Potato Planter | 221/185, 221/200, 221/219, 221/261 | |||
| 2,823,816 | Seal Transferring Apparatus | 198/377.03, 198/404, 198/476.1, 198/487.1, 198/608, 198/611, 198/803.12, 198/867.03, 221/214, 221/219, 221/225, 221/237, 221/240, 414/744.3, 414/744.7 | |||