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| All Patents in class 92/117R | |||||
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| Picture | Number | Date | Patentee | Title | |
| 301,091 | Jul. 01, 1884 | W.A. Campbell | Steam-brake for saw-mill carriages | ||
 | 588,652 | Aug. 24, 1897 | G.M. Pelton | Log rolling and turning machine | |
| 2,164,875 | Jul. 04, 1939 | C. Herfurth | Grinding Machine | ||
| 2,550,925 | May 01, 1951 | H.C. Weimar | Means for Blocking the Bore of a Long Hollow Piston Rod | ||
| 3,100,450 | Aug. 13, 1963 | E.J. Svenson | Hydraulically Actuated Machine Tool | ||