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| All Patents in class 285/404 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 40,082 | Sep. 22, 1863 | F.A. Pratt | Improvement in attaching pumps to bungs of barrels | |
 | 51,910 | Jan. 09, 1866 | E. Barbaroux | Pipe-coupling | |
| 1,511,723 | Oct. 14, 1924 | E.R. Draver | Means for connecting tubular members | ||
 | 1,958,817 | May 15, 1934 | C.G. Gase | Quick-change tool holder for milling machine | |