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| Patents for John D. Bouker | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 534,180 | Feb. 12, 1895 | C.E. Martin, A.J. Smart | Drilling-machine | |
 | 871,451 | Nov. 19, 1907 | A.J. Smart | Screw-cutting die and holder therefor | |
 | 1,061,129 | May 06, 1913 | C.C. Russell | Screw-plate | |