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United States Utility Patents
4,712,600 - 4,712,609

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NumberTitle
4,712,600 Production of pistons having a cavity
4,712,601 Process and apparatus for automating a baking cycle under hot air of sand molds
4,712,602 Pool-level sensing probe and automatic level control for twin-belt continuous metal casting machines
4,712,603 Method of making a nickle high-chromium base brazing filler metal
4,712,604 Apparatus for casting directionally solidified articles
4,712,605 Process for producing hollow cast article
4,712,606 Solar energy storage cell
4,712,607 Cryosystem for biological material
4,712,608 Heat exchanger for the independent heating of the driver and front-seat passenger side of a motor vehicle
4,712,609 Heat sink structure



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