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| All Patents in class 74/122 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 445,964 | Feb. 03, 1891 | J.H. Morrison | Spool-lathe feeder | ||
| 2,542,515 | Feb. 20, 1951 | T.F. Harvey | Intermittent movement mechanism | ||