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| Patents for D. M. Russell | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 639,901 | Dec. 26, 1899 | A.B. Landis | Emery-wheel truer for grinding-machines | |
 | 644,929 | Mar. 06, 1900 | A.B. Landis | Foot-stock for grinding-machines | |
 | 654,313 | Jul. 24, 1900 | A.B. Landis | Grinding-machine | |
 | 654,314 | Jul. 24, 1900 | A.B. Landis | Grinding-machine | |