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Morton Rachofsky
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Dallas, TX, US
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last 30 patents
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Patent Grant
Combined twenty-four (24)/twenty-five (25) hour clock
Patent number
4,926,400
Issue date
May 15, 1990
Morton Rachofsky
G04 - HOROLOGY
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Patent Grant
Twenty-five (25) hour clock
Patent number
4,541,726
Issue date
Sep 17, 1985
Morton Rachofsky
G04 - HOROLOGY