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| Patents for Robert E. Stoll | |||||
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| Number | Date | Patentee | Title | Type | |
| 967,474 | Aug. 16, 1910 | R.B. Williamson | Brush-holder | motor brush holders | |
| 1,012,257 | Dec. 19, 1911 | F. Jeffrey | Dynamo-electric machine | induction motors | |
| 1,128,795 | Feb. 16, 1915 | W.H. Lieber | Trimmer-saw | circular crosscut saws | |
| 1,279,721 | Sep. 24, 1918 | W.H. Lieber | Trimmer Saw | other wood sawing machines | |