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Patents for John Wilson Brown Jr. | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 518,176 | Apr. 10, 1894 | J.W. Brown, Jr. | Drilling-machine | |
579,357 | Mar. 23, 1897 | J.W. Brown, Jr. | Automatic Chucking Lathe | ||
610,319 | Sep. 06, 1898 | J.W. Brown, Jr. | Double Turret Lathe |