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| All Patents in class 92/107 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,127,324 | Aug. 16, 1938 | E. Cannon | Prefill valve for hydraulic presses | hydraulic metalworking presses | |
| 2,475,040 | Jul. 05, 1949 | S. Mandl | Ram | ||
| 3,023,675 | Mar. 06, 1962 | H.N. Stephan | Horizontal boring, drilling and milling machine | milling machines | |