LEINHAAS UMFORMTECHNIK GMBH

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5562026 Method for the hydraulic control of an articulated or toggle-lever press and articulated or toggle-lever press having a control adapted for carrying out the methodExpiredMar 23, 94Oct 08, 96[B30B]
4944221 Articulated lever cutting and forming pressExpiredMay 08, 89Jul 31, 90[B30B]
4850272 Articulated-lever cutting and forming pressExpiredFeb 22, 88Jul 25, 89[B30B]
4660452 Elbow lever sheet metal cutting press consisting of a press frame and a press ramExpiredOct 29, 85Apr 28, 87[B26D]
4577791 Gripper feed advance mechanism for a press or the likeExpiredApr 27, 84Mar 25, 86[B65H]
4302961 Press or similar machine toolExpiredSep 28, 79Dec 01, 81[B21J]

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