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All Patents in class 83/611 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 312,236 | Feb. 10, 1885 | C. Wais | Sheet-metal-cutting machine | |
![]() | 1,775,787 | Sep. 16, 1930 | U.F. Steindorff, H.J. Heller | Power-driven shears | |
1,952,961 | Mar. 27, 1934 | A.T. Yates | Shearing machine and process of shearing |