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| All Patents in class 279/17 | |||||
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| Number | Date | Patentee | Title | Type | |
| 233,097 | Oct. 12, 1880 | C. Hopkins | Watchmakers Lathe Chuck | metal lathe chucks | |
| 911,210 | Feb. 02, 1909 | C.M. Conradson | Grinding Machine | glass grinding machines | |
| 1,341,934 | Jun. 01, 1920 | G.C. Schoenborn | Tool Holder | drilling and boring tool holders | |
| 2,101,926 | Dec. 14, 1937 | T.A. Wettig | Rail chuck for machine tools | metal lathe chucks | |