Patents Represented by Attorney Normasn Friedland

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  • Hand operated grinding wheel with surface area and depth control
    Patent number: 4644701
    Abstract: The shaft of a jet engine is reworked by removing the original plating, and the plating adjacent the oil hole in the shaft is removed by a hand grinding operation. The hand grinder includes means for supporting the grinding wheel with means for controlling the area and depth of the grinding.
    Type: Grant
    Filed: April 29, 1985
    Date of Patent: February 24, 1987
    Assignee: United Technologies Corporation
    Inventors: John P. Arrigoni, Kenneth C. Carlson