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| Patents for Landau Machine & Drill Press Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,104,517 | Jul. 21, 1914 | J.N. Landau | Automatic multiple-chuck drill-press | multiple spindle drill presses | |
| 2,398,540 | Apr. 16, 1946 | J.N. Landau | Drawn-in collet chuck | collets and collet holders | |