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| All Patents in class 279/73 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 171,160 | Dec. 14, 1875 | G.W. Moulton | Chucks | ||
| 313,472 | Mar. 10, 1885 | B.F. Chappel | Chuck | ||
| 355,237 | Dec. 28, 1886 | J.C. Williams | Lathe Chuck | ||
| 5,110,240 | May 05, 1992 | L.O. Kern, J.G. Zeilinger | Apparatus for Coupling Tool Holders | ||