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| All Patents in class 74/471XY | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,278,263 | Mar. 31, 1942 | W.G. Hoelscher | Speed Indicator Means | metal lathe mechanisms | |
| 2,869,429 | Jan. 20, 1959 | T.A. Wetzel | Pattern Controlled Milling Machine | milling machines | |
| 2,912,879 | Nov. 17, 1959 | R.F. Bannow | Variable Leverage Joy Stick for Feeding Work | machine tool controls | |