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| All Patents in class 188/163 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,123,404 | Jan. 05, 1915 | W.T. Sears | Shock-absorber | |
| 1,185,839 | Jun. 06, 1916 | W.T. Sears | Clamping mechanism | ||
| 1,296,862 | Mar. 11, 1919 | W.T. Sears | Clamping mechanism | ||
| 2,145,255 | Jan. 31, 1939 | A.G. Ericson, B.R. Granberg | Brake mechanism | ||
| 2,149,940 | Mar. 07, 1939 | O. Kylin | Brake and Control Therefor | ||
| 2,281,838 | May 05, 1942 | H.A. Hadley | Beam Locking Device | ||