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| Patents for Charles O. Larson | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,737,215 | Mar. 06, 1956 | C.O. Larson | Clamp and method of making the Same | hand screws | |
| 2,805,777 | Sep. 10, 1957 | C.O. Larson | Tool Holder | tool holders | |