Patents Represented by Attorney John McKenna

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  • Process for testing of hydraulic release devices
    Patent number: 4217772
    Abstract: Apparatus for testing hydraulic-release devices of the type used in marine applications and an improved method of testing such devices using the apparatus. The invention includes a positively identified stress rather than a predetermined strain being exerted on such devices before they are subject to the test environment.
    Type: Grant
    Filed: February 27, 1979
    Date of Patent: August 19, 1980
    Inventor: Joseph Katz