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| All Patents in class 475/9 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,363,506 | Dec. 28, 1920 | W.F. Groene | Lathe | horizontal boring mills | |
| 2,330,985 | Oct. 05, 1943 | W.R. Meyer | Spindle Control Mechanism | machine tool controls | |
| 3,459,069 | Aug. 05, 1969 | R.R. Grover | Drive transmission for machine tools | metalworking machine mechanisms | |