T.C. JOHNSON COMPANY

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4534297 Wheel position control for railway maintenance vehicleExpiredDec 02, 82Aug 13, 85[B61F, B61D]
4479750 Apparatus for loading and unloading railway carsExpiredMay 20, 82Oct 30, 84[B65G, B60S, B66F]
4453875 Displaceable liner for unloading wheel supported receptaclesExpiredJul 12, 82Jun 12, 84[B65G]
4377369 Apparatus for loading and unloading railway carsExpiredApr 06, 81Mar 22, 83[B65G]

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