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| All Patents in class 464/61.1 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 344,082 | Jun. 22, 1886 | J.K. Cullen | Metal Planing Machine | |
 | 2,622,215 | Dec. 16, 1952 | J.L. Baillargeon, J.J. Piekarski | Impulse coupling | |