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| All Patents in class 72/348 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 26,860 | Jan. 17, 1860 | S.J. Olmsted | Double seaming machine | |
| 230,888 | Aug. 10, 1880 | C.B. Morse | Device for making spinning-ring blanks | ||
| 1,265,954 | May 14, 1918 | A.R. Pribil | Process of Forming Grease Cups | ||
| 1,468,092 | Sep. 18, 1923 | W.M. Towne | Method and apparatus for forming tubular metal articles, socketed terminal lugs, and the like | ||