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3928959
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Patent number 3,928,959
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Issue date Dec 30, 1975
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G04 - HOROLOGY
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3913312
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Patent number 3,913,312
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Issue date Oct 21, 1975
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G04 - HOROLOGY
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3871168
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Patent number 3,871,168
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G04 - HOROLOGY
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3855782
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Patent number 3,855,782
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Issue date Dec 24, 1974
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G04 - HOROLOGY
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3841081
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Patent number 3,841,081
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G04 - HOROLOGY
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3834152
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Patent number 3,834,152
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Issue date Sep 10, 1974
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G04 - HOROLOGY
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3798428
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Patent number 3,798,428
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G04 - HOROLOGY
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3733810
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Patent number 3,733,810
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G04 - HOROLOGY
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3699763
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Patent number 3,699,763
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G04 - HOROLOGY
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3668859
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Patent number 3,668,859
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G04 - HOROLOGY
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3576099
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Patent number 3,576,099
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H01 - BASIC ELECTRIC ELEMENTS