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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 5706964 | Reusable corner and bulkhead system for bulk cargo container Reusable integrated bulkhead and corner units for cargo containers. The units open to form container bulkheads and or corner units as required by the nature of the cargo. For non-bulk cargo, the bulkhead folds against the container sidewall or ceiling. Th... | 01/13/1998 |
| 4884722 | Bulkhead and lining systems for cargo containers A bulkhead for use with a cargo container, and comprising a wall member and at least a first slanted corner member. The wall member holds a cargo in the container, and the corner member is connected to the wall member adjacent a lower corner thereof to gu... | 12/05/1989 |
| 4799607 | Bulkhead and lining systems for cargo containers A bulkhead for use with a cargo container, and comprising a wall member and at least a first slanted corner member. The wall member holds a cargo in the container, and the corner member is connected to the wall member adjacent a lower corner thereof to gu... | 01/24/1989 |
| 4688489 | Pivotal bridge plate between laterally tiltable dumping wagon bodies Apparatus for bridging a space between adjacent wagons having laterally tiltable bodies and arranged end to end in a train includes a flap pivoted at the rear end of a wagon body for free pivotal movement about a horizontal transverse axis, the flap havin... | 08/25/1987 |
