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All Patents in class 29/283.5 | |||||
Number | Date | Patentee | Title | Type | |
2,283,258 | May 19, 1942 | J. Jensen | Method of and means for producing sheet metal joint locks and the like | sheet metal bending machines | |
6,532,649 | Mar. 18, 2003 | B.M. Campbell, H.P. Sablowski | Crimping machine |