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-
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3586904
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Patent number 3,586,904
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Issue date Jun 22, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3579011
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Patent number 3,579,011
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Issue date May 18, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3538375
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Patent number 3,538,375
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Issue date Nov 3, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3475636
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Patent number 3,475,636
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H01 - BASIC ELECTRIC ELEMENTS
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3202862
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Patent number 3,202,862
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Issue date Aug 24, 1965
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H01 - BASIC ELECTRIC ELEMENTS
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3047380
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Patent number 3,047,380
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Issue date Jul 31, 1962
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C30 - CRYSTAL GROWTH
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2976451
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Patent number 2,976,451
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Issue date Mar 21, 1961
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H01 - BASIC ELECTRIC ELEMENTS
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2919367
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Patent number 2,919,367
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Issue date Dec 29, 1959
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C01 - INORGANIC CHEMISTRY
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2675495
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Patent number 2,675,495
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Issue date Apr 13, 1954
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H01 - BASIC ELECTRIC ELEMENTS
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2640171
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Patent number 2,640,171
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H01 - BASIC ELECTRIC ELEMENTS
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2594851
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Patent number 2,594,851
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Issue date Apr 29, 1952
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H01 - BASIC ELECTRIC ELEMENTS
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2594017
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Patent number 2,594,017
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H01 - BASIC ELECTRIC ELEMENTS
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2432513
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Patent number 2,432,513
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Issue date Dec 16, 1947
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H01 - BASIC ELECTRIC ELEMENTS
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2210816
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Patent number 2,210,816
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H01 - BASIC ELECTRIC ELEMENTS
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2192349
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Patent number 2,192,349
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H01 - BASIC ELECTRIC ELEMENTS
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2155138
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Patent number 2,155,138
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H01 - BASIC ELECTRIC ELEMENTS
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2053122
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Patent number 2,053,122
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H01 - BASIC ELECTRIC ELEMENTS
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1863394
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Patent number 1,863,394
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H01 - BASIC ELECTRIC ELEMENTS
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1847646
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Patent number 1,847,646
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Issue date Mar 1, 1932
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H01 - BASIC ELECTRIC ELEMENTS
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1776157
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Patent number 1,776,157
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H01 - BASIC ELECTRIC ELEMENTS