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| Patents for John E. Swanstrom Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,304,817 | Feb. 21, 1967 | S.E. Swanson, J.E. Swanstrom, Jr. | Wrench with Concave Jaw Teeth | chain and strap wrenches | |
| 3,739,664 | Jun. 19, 1973 | J.E. Swanstrom, Jr. | Tools and Machine Parts and Methods from Inverse Draft Forging | pliers | |