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| All Patents in class 285/334.5 | |||||
| Picture | Number | Date | Patentee | Title | |
| 1,114,351 | Oct. 20, 1914 | C.L. Heisler | Pipe Expanding and Beading Machine | ||
| 1,959,314 | May 15, 1934 | D.D. Wile | Combined Strainer and Tube Connection | ||