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| All Patents in class 477/107 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,331,695 | Oct. 12, 1943 | G.H. Johnson | Transmission and Control Mechanism | metal lathes | |
| 3,150,537 | Sep. 29, 1964 | O. Hermann | Method and Apparatus for Automatically Shifting Gears | metalworking machine mechanisms | |