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3902094
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Patent number 3,902,094
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Issue date Aug 26, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3866076
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Patent number 3,866,076
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Issue date Feb 11, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3832760
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Patent number 3,832,760
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Issue date Sep 3, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3816079
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Patent number 3,816,079
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Issue date Jun 11, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3806754
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Patent number 3,806,754
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Issue date Apr 23, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3758810
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Patent number 3,758,810
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Issue date Sep 11, 1973
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H01 - BASIC ELECTRIC ELEMENTS
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3683229
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Patent number 3,683,229
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H01 - BASIC ELECTRIC ELEMENTS
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3649865
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Patent number 3,649,865
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Issue date Mar 14, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3611523
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Patent number 3,611,523
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Issue date Oct 12, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3609831
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Patent number 3,609,831
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Issue date Oct 5, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3580739
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Patent number 3,580,739
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Issue date May 25, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3567982
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Patent number 3,567,982
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Issue date Mar 2, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3551727
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Patent number 3,551,727
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Issue date Dec 29, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3549930
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Patent number 3,549,930
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Issue date Dec 22, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3535758
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Patent number 3,535,758
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Issue date Oct 27, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3531839
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Patent number 3,531,839
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Issue date Oct 6, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3530559
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Patent number 3,530,559
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Issue date Sep 29, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3523347
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Patent number 3,523,347
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Issue date Aug 11, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3520040
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Patent number 3,520,040
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Issue date Jul 14, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3487253
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Patent number 3,487,253
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Issue date Dec 30, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3484645
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Patent number 3,484,645
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Issue date Dec 16, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3465400
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Patent number 3,465,400
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Issue date Sep 9, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3449650
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Patent number 3,449,650
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Issue date Jun 10, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3442008
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Patent number 3,442,008
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Issue date May 6, 1969
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H01 - BASIC ELECTRIC ELEMENTS