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| All Patents in class 279/48 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,459,899 | Jan. 25, 1949 | A.M. Stoner | Collet | metal lathe chucks | |
| 2,459,900 | Jan. 25, 1949 | A.M. Stoner | Collet | collets and collet holders | |
| 2,466,129 | Apr. 05, 1949 | A.M. Stoner | Collet chuck | metal lathe chucks | |
| 4,421,443 | Dec. 20, 1983 | P.J. Finet, R.T. Woythal | High Speed Machine Tool Spindle Assembly | metalworking machine mechanisms | |