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| All Patents in class 72/333 | |||||
| Number | Date | Patentee | Title | Type | |
| 658,077 | Sep. 18, 1900 | F. Thomas | Machine for bending sheet metal | sheet metal brakes | |
| 1,639,269 | Aug. 16, 1927 | K. Potschner | Method Of Making Tools | making wrenches | |
| 4,879,894 | Nov. 14, 1989 | J.K. Forlow, R.J. Benedict | Press with Movable Workpiece Support Carrier | punch presses | |