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| All Patents in class 292/353 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,114,123 | Oct. 20, 1914 | H. Dalton | Threadless nut or collar | metal lathes | |
| 1,279,302 | Sep. 17, 1918 | J.M. Dunlap | Drill Gage and Countersink | drill depth stops | |