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| All Patents in class 477/4 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,519,042 | Aug. 15, 1950 | B.T. Anderson, B.R. Granberg | Automatic positive stop and dwell arrangement for machine tools | ||
 | 2,771,790 | Nov. 27, 1956 | F.E. Munschauer | Double drive power punch press | |