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| All Patents in class 279/46.4 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 442,230 | Dec. 09, 1890 | C.L. Libby | Chuck for Screw Machines | ||
| 1,827,387 | Oct. 13, 1931 | G.J. Evelo | Chuck | ||
 | 1,917,752 | Jul. 11, 1933 | E.L. Connell | Collet | |
| 3,136,561 | Jun. 09, 1964 | A.D. Parone, J.F. McAuliffe | Collet for Fluted Shankless Tool | ||
| 3,168,322 | Feb. 02, 1965 | H.R. Dziedzic | Chucking Device for Machine Tool Spindle and Tool Holder for E Therewith | ||