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3527923
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Patent number 3,527,923
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Issue date Sep 8, 1970
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F27 - FURNACES KILNS OVENS RETORTS
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3416029
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Patent number 3,416,029
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Issue date Dec 10, 1968
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F21 - LIGHTING
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3382403
-
Patent number 3,382,403
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Issue date May 7, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3145323
-
Patent number 3,145,323
-
Issue date Aug 18, 1964
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F21 - LIGHTING
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3122675
-
Patent number 3,122,675
-
Issue date Feb 25, 1964
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H01 - BASIC ELECTRIC ELEMENTS
-
3082349
-
Patent number 3,082,349
-
Issue date Mar 19, 1963
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H01 - BASIC ELECTRIC ELEMENTS
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3071664
-
Patent number 3,071,664
-
Issue date Jan 1, 1963
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H01 - BASIC ELECTRIC ELEMENTS
-
2976450
-
Patent number 2,976,450
-
Issue date Mar 21, 1961
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H01 - BASIC ELECTRIC ELEMENTS
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2919424
-
Patent number 2,919,424
-
Issue date Dec 29, 1959
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G08 - SIGNALLING
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2901667
-
Patent number 2,901,667
-
Issue date Aug 25, 1959
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H01 - BASIC ELECTRIC ELEMENTS
-
2862145
-
Patent number 2,862,145
-
Issue date Nov 25, 1958
-
H01 - BASIC ELECTRIC ELEMENTS
-
2790933
-
Patent number 2,790,933
-
Issue date Apr 30, 1957
-
H01 - BASIC ELECTRIC ELEMENTS
-
2627590
-
Patent number 2,627,590
-
Issue date Feb 3, 1953
-
H01 - BASIC ELECTRIC ELEMENTS
-
2442845
-
Patent number 2,442,845
-
Issue date Jun 8, 1948
-
H01 - BASIC ELECTRIC ELEMENTS
-
2361485
-
Patent number 2,361,485
-
Issue date Oct 31, 1944
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2361486
-
Patent number 2,361,486
-
Issue date Oct 31, 1944
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2318700
-
Patent number 2,318,700
-
Issue date May 11, 1943
-
H01 - BASIC ELECTRIC ELEMENTS
-
2235360
-
Patent number 2,235,360
-
Issue date Mar 18, 1941
-
H01 - BASIC ELECTRIC ELEMENTS
-
2144640
-
Patent number 2,144,640
-
Issue date Jan 24, 1939
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H01 - BASIC ELECTRIC ELEMENTS