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| All Patents in class 279/18 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 294,755 | Mar. 11, 1884 | C.A. Brenzinger | Chuck for Drilling Machines, &c. | ||
| 312,839 | Feb. 24, 1885 | C.W. Glover | Centering Chuck | ||
| 335,009 | Jan. 26, 1886 | G.A. Barnes | Chuck | ||
 | 1,021,848 | Apr. 02, 1912 | B. Rindfleisch | Floating tool-holder | |
| 1,146,770 | Jul. 13, 1915 | S.G. Grady | Tool Holder | ||
 | 1,428,754 | Sep. 12, 1922 | J. Carr | Tool chuck | |
| 1,721,378 | Jul. 16, 1929 | G.J. Draeger | Floating Tool Holder | ||
 | 3,042,418 | Jul. 03, 1962 | G. Sorsa, R.E. Curran | Chuck mechanism for collets | |