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Infrared laser system
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Patent number 5,414,723
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Issue date May 9, 1995
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Vladimir B. Krapchev
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H01 - BASIC ELECTRIC ELEMENTS
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Dye laser amplifiers
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Patent number 5,379,147
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Issue date Jan 3, 1995
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The Secretary of State for Defence in Her Britannic Majesty's Government of t...
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Gary Cook
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G02 - OPTICS
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Infrared laser system
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Patent number 5,153,887
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Issue date Oct 6, 1992
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Vladimir B. Krapchev
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H01 - BASIC ELECTRIC ELEMENTS
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Optical amplifier
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Patent number 4,720,684
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Issue date Jan 19, 1988
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Standard Telephones and Cables plc
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Kevin C. Byron
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H01 - BASIC ELECTRIC ELEMENTS
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Waveguide phase conjugate mirror
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Patent number 4,571,954
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Issue date Feb 25, 1986
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The United States of America as represented by the Secretary of the Army
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Thomas G. Roberts
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G02 - OPTICS
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3873825
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Patent number 3,873,825
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Issue date Mar 25, 1975
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G02 - OPTICS
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3793541
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Patent number 3,793,541
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Issue date Feb 19, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3657554
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Patent number 3,657,554
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Issue date Apr 18, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3417346
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Patent number 3,417,346
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Issue date Dec 17, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3392368
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Patent number 3,392,368
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Issue date Jul 9, 1968
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3371265
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Patent number 3,371,265
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Issue date Feb 27, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3346741
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Patent number 3,346,741
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Issue date Oct 10, 1967
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H01 - BASIC ELECTRIC ELEMENTS