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3911306
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Patent number 3,911,306
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Issue date Oct 7, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3729575
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Patent number 3,729,575
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Issue date Apr 24, 1973
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H01 - BASIC ELECTRIC ELEMENTS
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3727094
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Patent number 3,727,094
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Issue date Apr 10, 1973
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H01 - BASIC ELECTRIC ELEMENTS
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3579020
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Patent number 3,579,020
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Issue date May 18, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3376445
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Patent number 3,376,445
-
Issue date Apr 2, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3359446
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Patent number 3,359,446
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Issue date Dec 19, 1967
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H01 - BASIC ELECTRIC ELEMENTS
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3345527
-
Patent number 3,345,527
-
Issue date Oct 3, 1967
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H01 - BASIC ELECTRIC ELEMENTS
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3310411
-
Patent number 3,310,411
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Issue date Mar 21, 1967
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3253181
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Patent number 3,253,181
-
Issue date May 24, 1966
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H01 - BASIC ELECTRIC ELEMENTS
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3214625
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Patent number 3,214,625
-
Issue date Oct 26, 1965
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H01 - BASIC ELECTRIC ELEMENTS
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3161798
-
Patent number 3,161,798
-
Issue date Dec 15, 1964
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H01 - BASIC ELECTRIC ELEMENTS
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3134922
-
Patent number 3,134,922
-
Issue date May 26, 1964
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H01 - BASIC ELECTRIC ELEMENTS
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2973449
-
Patent number 2,973,449
-
Issue date Feb 28, 1961
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H01 - BASIC ELECTRIC ELEMENTS
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2961567
-
Patent number 2,961,567
-
Issue date Nov 22, 1960
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H01 - BASIC ELECTRIC ELEMENTS
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2923585
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Patent number 2,923,585
-
Issue date Feb 2, 1960
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H01 - BASIC ELECTRIC ELEMENTS
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2888587
-
Patent number 2,888,587
-
Issue date May 26, 1959
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H01 - BASIC ELECTRIC ELEMENTS
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2835842
-
Patent number 2,835,842
-
Issue date May 20, 1958
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H01 - BASIC ELECTRIC ELEMENTS
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2834907
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Patent number 2,834,907
-
Issue date May 13, 1958
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H01 - BASIC ELECTRIC ELEMENTS
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2828438
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Patent number 2,828,438
-
Issue date Mar 25, 1958
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H01 - BASIC ELECTRIC ELEMENTS
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2820919
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Patent number 2,820,919
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Issue date Jan 21, 1958
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H01 - BASIC ELECTRIC ELEMENTS