Harrington Manufacturing Company

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4378669 Pull type automatic tobacco harvester and method of harvesting tobaccoExpiredJul 20, 81Apr 05, 83[A01D]
4332128 Pull type automatic tobacco harvesterExpiredJul 01, 76Jun 01, 82[A01D]
4245657 Method and apparatus for loading bulk tobacco barnsExpiredJun 10, 77Jan 20, 81[A24B, B60P, B62B]
4212634 Auxiliary heating system for a bulk tobacco barnExpiredJun 05, 78Jul 15, 80[A24B, F27B]
4188772 Hydraulic speed control system for the pick-up reel of a peanut combineExpiredAug 16, 78Feb 19, 80[A01D]
4184706 Bulk tobacco container and air diffuser thereforExpiredAug 17, 78Jan 22, 80[A24B]

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