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| All Patents in class 29/468 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,319 | Dec. 20, 1845 | J. Ball | Machinery for riveting pipes | riveting machines | |
| 2,490,923 | Dec. 13, 1949 | A.M. Sasgen | Quick action C-clamp | C clamps | |