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 |
| 6093099 | Combine row crop header auger A crop-engaging angle member is mounted on the outer forward end of each of the crop-engaging paddles of a combine header auger to assist in conveying crop material rearwardly towards the intake end of the feederhouse of the combine.... | 07/25/2000 |
| 6044636 | Corn harvester A farm implement for harvesting corn (sometimes called maize). The harvester is usable with a farm type combine and is particularly designed to be used in fields that have been planted either by a broadcast method at ground level or from the air, or in cl... | 04/04/2000 |
| 5404699 | Knife edged stalk rolls A stalk roll comprises a cylindrical shell having six integral flutes. Each flute is provided with a knife edge having a leading surface and a trailing surface. The leading surface has a forward slope of approximately 10° from the plane formed by the cen... | 04/11/1995 |