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| Patents for Floyd A. Swanson | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,108,354 | Feb. 15, 1938 | F.A. Swanson | Blind end cylinder honing machine | ||
| 2,176,316 | Oct. 17, 1939 | F.A. Swanson | Honing machine | ||