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| All Patents in class 279/2.18 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 497,105 | May 09, 1893 | W.T. Vale | Barrel-making machine | |
| 1,871,494 | Aug. 16, 1932 | G.A. Carlson | Grinding and polishing machine | ||
| 2,585,944 | Feb. 19, 1952 | J. Daugherty, E.W. Kroeger | Work Holding Means | ||