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John J. Dennison
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Southington, CT, US
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last 30 patents
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Patent Grant
Safety switched outlet with dead front
Patent number
5,448,027
Issue date
Sep 5, 1995
Hubbell Incorporated
Ernest G. Hoffman
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Electric switch with cleaning action
Patent number
4,471,181
Issue date
Sep 11, 1984
Cooper Industries, Inc.
John J. Dennison
H01 - BASIC ELECTRIC ELEMENTS