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| Number | Title | Issue Date |
| 7311215 | Positional variable orifice pin for hydraulic pressure control in a draft gear A draft gear assembly including a housing having an open front and closed rear portions. A compressible cushioning element is positioned within the rear portion with a seating arrangement abutting one end thereof adjacent the open front portion. A friction cushionin... | 12/25/2007 |
| 6923331 | High capacity draft gear A friction-type draft gear assembly includes a housing having an open front and closed rear portions. A compressible cushioning element is positioned within the rear portion with a seating arrangement abutting one end thereof adjacent the open front portion. A frict... | 08/02/2005 |
