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| All Patents in class 72/160 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,765,169 | Aug. 23, 1988 | C.R. Bradlee | Method of tension leveling non-homogeneous metal sheet | ||
| 5,255,549 | Oct. 26, 1993 | R.A. Williams | Tension leveler roll cleaning system and method | ||