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| Patents for Speednut Corp. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,602,620 | Oct. 12, 1926 | A. Kuring, J.V. Larson | Automatic Nut Wrench | self-adjust wrenches | |
| 1,830,033 | Nov. 03, 1931 | J.V. Larson | Automatic Nut Wrench | self-adjust wrenches | |
| 2,351,821 | Jun. 20, 1944 | J.V. Larson | Hand Tools of the Wrench Type | self-adjust wrenches | |