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| Number | Title | Issue Date |
| 4446899 | Double-sided tenoner A tenoner provided with two driven milling cutters positioned opposite each other on both sides of a traveling carrier for a workpiece. Each cutter is carried in a carriage mounted in a supporting element which comprises a base displaceable on the frame i... | 05/08/1984 |
| 4184525 | Milling machine A machine for milling a tenon to the straight end of wooden workpieces, like a strip or a beam, wherein two wooden workpieces disposed upon two sledges or tables moving in transverse position to and fro in between abutments, are milled one after another i... | 01/22/1980 |