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| Patents for Badger Tool Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,337,352 | Apr. 20, 1920 | E.B. Gardner | Work-table for grinding-machines | grinders | |
| 1,337,353 | Apr. 20, 1920 | E.B. Gardner | Grinding-machine | grinders | |
| 1,436,759 | Nov. 28, 1922 | E.B. Gardner | Ring-grinding machine | grinders | |