| 2259775 | Cement bag cutting means | |||
| 2157041 | Mowing machine structure | |||
| 2094818 | Sack severing or perforating means for cement mixers | |||
| 1824937 | Sack severing device | |||
| 1775226 | Brush-cutting-tool head | |||
| 1771797 | Apparatus for opening cement sacks and dumping the cement into cement mixers | |||
| 1473383 | Means for halving eggs and slicing fruits | |||
| 0683299 | N/A | |||
| 0108801 | N/A |