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| All Patents in class 72/162 | |||||
| Number | Date | Patentee | Title | Type | |
| 482,000 | Sep. 06, 1892 | C.B. Brainard | Wire Straightener and Cutting Machine | metal straightening machines | |
| 2,157,760 | May 09, 1939 | W.E. Kane | Straightening machine | metal bending machines | |
| 3,540,251 | Nov. 17, 1970 | C.B. Page | Cross-roll straightener drive assembly | metal straightening machines | |