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| All Patents in class 411/428 | |||||
| Number | Date | Patentee | Title | Type | |
| 30,678 | Nov. 20, 1860 | B. Holly | Hose Coupling Nut | water hoses | |
| 1,573,551 | Feb. 16, 1926 | D.C. Klausmeyer | Peep Hole for Threads | radial drill presses | |
| 5,902,084 | May 11, 1999 | J.E. Garcia | Combined nut and flange fastener | ||