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| Number | Title | Issue Date |
| 4721278 | Lightweight reusable hot top A reusable hot top includes a shell having an aperture therethrough providing an inner wall. The shell has an upper end portion and a lower end portion which seats on a mold. A liner comprised of an insulating material is positioned in the aperture and is... | 01/26/1988 |
| 4515341 | Ingot mould having a hot-top inside the upper part of the mould The ingot mould comprises a hot-top positioned inside the upper part of the mould and comprising an inner wall formed by at least one plate of a material capable of withstanding contact with a molten metal poured into the ingot mould, without being melted... | 05/07/1985 |
| 4452049 | Ice product and method and apparatus for making same An ice product is disclosed having improved liquid displacement characteristics and which is of a configuration which provides for splash resistance and resistance to bridging between adjacently stored products. The apparatus and method for producing the ... | 06/05/1984 |
| 4238105 | Mold panel for casting concrete A heated mold panel for casting concrete has a rigid base providing a base surface, a substantial part of which is grooved by interconnecting grooves, has a continuous heating element laid in the grooves, and the base surface is covered with a non-porous,... | 12/09/1980 |
