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Patents for Miles W. O'Brien | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 2,024,302 | Dec. 17, 1935 | J.J. O'Brien | Motor Mounting | |
![]() | 2,028,293 | Jan. 21, 1936 | M.W. O'Brien, J.J. O'Brien | Undercutting Attachment for Lathes |