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| All Patents in class 72/422 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 292,562 | Jan. 29, 1884 | W.S. Kelley | Wire spoke | |
| 1,914,806 | Jun. 20, 1933 | A. Hormel | Apparatus for feeding metal plates | ||
| 2,389,139 | Nov. 20, 1945 | E.V. Crane, F.G. Auer | Making non-cylindrical cans | ||
| 2,835,152 | May 20, 1958 | M.W. Lamprecht | Stock feeding device for forging machine | ||
| 3,089,361 | May 14, 1963 | M.W. Lamprecht | Forging machine | ||
| 3,183,532 | May 18, 1965 | A.R. Kull | Automatic Transfer Mechanism for Forging Machines | ||