Patents Represented by Attorney Frederick D. Krubel

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  • Fan shroud structure
    Patent number: 4061188
    Abstract: A contoured shroud exit having means capable of producing low pressure vortices when a fan generated air stream is expelled therefrom.
    Type: Grant
    Filed: March 19, 1976
    Date of Patent: December 6, 1977
    Assignee: International Harvester Company
    Inventor: Harold D. Beck