ZAHNRADERFABRIK RENK AKTIENGESELLSCHAFT

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4513637 Gearing assemblyExpiredMay 27, 82Apr 30, 85[F16H]
4325330 Apparatus for controlling the cooling system of a motor-vehicle driveExpiredJun 06, 79Apr 20, 82[F01P]
4297917 Power distribution gearing for double helix extrudersExpiredSep 18, 79Nov 03, 81[F16H]

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