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| All Patents in class 83/391 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,141,644 | Jun. 01, 1915 | C.D. McDonald | Metal-shearing machine | ||
| 2,446,146 | Jul. 27, 1948 | W.C. Tucker | Work gauge support for shears | metal shearing machines | |
| 2,928,304 | Mar. 15, 1960 | L.D. Mersek, W.A. Ehlert | Cut Off Apparatus | cutting-off and centering machines | |