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| Patents for A. M. Parkins | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 730,383 | Jun. 09, 1903 | P. Medart | Belt-pulley | |
 | 812,162 | Feb. 06, 1906 | T. Bemis | Pneumatic tube for store service | |
 | 861,738 | Jul. 30, 1907 | A.B. Landis | Grinding-machine | |
 | 921,717 | May 18, 1909 | A.B. Landis | Grinding-machine | |
 | 1,018,393 | Feb. 20, 1912 | A.B. Landis | Cutter-head | |