Did You Know...
...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 |
| 5951171 | Slide bearing, particularly for a gear pump A slide bearing for a gear pump or the like has a lubrication groove provided in the surface of the cylinder forming the slide bearing. The lubrication groove is constructed to be ending flatly in the area of that edge which, with respect to the shaft rot... | 09/14/1999 |
| 5810424 | Wind deflecting body for a two-seat convertible A two-seat convertible has wind deflecting bodies which are disposed behind the headrests of the vehicle seats and rest on the vehicle body top rear side and project upwards to approximately the height of the upper edge of the respective headrest. The hea... | 09/22/1998 |
| 5689946 | Opening roller for an open-end spinning arrangement An opening roller for an open-end spinning arrangement is provided with a combing ring, which is slidably mounted onto a base body and is supported between two clamping surfaces. In order to fix the combing ring radially to a cylindrical guiding surface o... | 11/25/1997 |
