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Photocathodes
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Patent number 3,932,883
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Issue date Jan 13, 1976
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The British Secretary of State for Defense
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Michael Charles Rowland
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H01 - BASIC ELECTRIC ELEMENTS
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3850685
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Patent number 3,850,685
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Issue date Nov 26, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3839082
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Patent number 3,839,082
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Issue date Oct 1, 1974
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C30 - CRYSTAL GROWTH
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3836399
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Patent number 3,836,399
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Issue date Sep 17, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3721583
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Patent number 3,721,583
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Issue date Mar 20, 1973
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H01 - BASIC ELECTRIC ELEMENTS
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3705059
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Patent number 3,705,059
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Issue date Dec 5, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3674549
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Patent number 3,674,549
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Issue date Jul 4, 1972
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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3667003
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Patent number 3,667,003
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Issue date May 30, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3577175
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Patent number 3,577,175
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Issue date May 4, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3554818
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Patent number 3,554,818
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Issue date Jan 12, 1971
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G01 - MEASURING TESTING
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3483096
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Patent number 3,483,096
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Issue date Dec 9, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3463680
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Patent number 3,463,680
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Issue date Aug 26, 1969
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C30 - CRYSTAL GROWTH
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3436549
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Patent number 3,436,549
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Issue date Apr 1, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3371213
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Patent number 3,371,213
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Issue date Feb 27, 1968
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G01 - MEASURING TESTING
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3357852
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Patent number 3,357,852
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Issue date Dec 12, 1967
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C30 - CRYSTAL GROWTH
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3341358
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Patent number 3,341,358
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Issue date Sep 12, 1967
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C30 - CRYSTAL GROWTH
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3218205
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Patent number 3,218,205
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Issue date Nov 16, 1965
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C30 - CRYSTAL GROWTH