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All Patents in class 476/57 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 257,384 | May 02, 1882 | T.J. Reamy | Feed mechanism for saw-mills | |
![]() | 461,253 | Oct. 13, 1891 | W.F. Barnes | Drilling-machine | |
![]() | 542,694 | Jul. 16, 1895 | F.W. Hoefer, D.C. Stover | Sensitive drill press | |
![]() | 595,850 | Dec. 21, 1897 | W.W. Flickinger | Drilling-machine | |
![]() | 800,334 | Sep. 26, 1905 | G.E. Stevens | Drive for machine-tools | |
![]() | 921,937 | May 18, 1909 | F.J. Zecher | Gearing |