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| Patents for Frederick J. Larson | |||||
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| Number | Date | Patentee | Title | Type | |
| RE12,119 | Jun. 09, 1903 | E. Oehrle | Combination Square and Protractor | protractors | |
| 1,144,459 | Jun. 29, 1915 | F.V. Burman | Angle-iron-bending machine | metal bending machines | |