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| Patents for John Wilson Brown Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 518,176 | Apr. 10, 1894 | J.W. Brown, Jr. | Drilling-machine | drill presses | |
| 579,357 | Mar. 23, 1897 | J.W. Brown, Jr. | Automatic Chucking Lathe | automatic lathes | |
| 610,319 | Sep. 06, 1898 | J.W. Brown, Jr. | Double Turret Lathe | turret lathes | |