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All Patents in class 29/DIG.054 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 1,146,193 | Jul. 13, 1915 | W.L. Miller | Fluid-pressure chuck-actuating device | |
1,486,155 | Mar. 11, 1924 | A.M. Morgan | Bung-hole reamer | ||
2,209,939 | Jul. 30, 1940 | L.L. Schauer | Automatically controlled gravity oiler |