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| Patents for American Type Founders Co. | |||||
| Number | Date | Patentee | Title | Type | |
| 774,030 | Nov. 01, 1904 | L.B. Benton | Grinding Machine | tool grinders | |
| 931,253 | Aug. 17, 1909 | L.B. Benton | Depth Gage | measuring apparatus | |