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Getter for incandescent lamps
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Patent number 4,898,558
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Issue date Feb 6, 1990
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GTE Products Corporation
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John W. Shaffer
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H01 - BASIC ELECTRIC ELEMENTS
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Halogen incandescent lamp
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Patent number 4,361,780
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Issue date Nov 30, 1982
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U.S. Philips Corporation
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Hermanus Brons
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H01 - BASIC ELECTRIC ELEMENTS
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Halogen incandescent lamp
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Patent number 4,305,017
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Issue date Dec 8, 1981
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U.S. Philips Corporation
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Gijsbert Kuus
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H01 - BASIC ELECTRIC ELEMENTS
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Incandescent lamp getter
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Patent number 4,233,536
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Issue date Nov 11, 1980
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GTE Products Corporation
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John F. Waymouth
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H01 - BASIC ELECTRIC ELEMENTS
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Tungsten/bromine cycle lamp
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Patent number 4,213,662
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Issue date Jul 22, 1980
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U.S. Philips Corporation
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Henricus F. J. I. Giller
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H01 - BASIC ELECTRIC ELEMENTS
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Electric lamp
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Patent number 4,174,488
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Issue date Nov 13, 1979
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U.S. Philips Corporation
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Petrus J. J. Weterings
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H01 - BASIC ELECTRIC ELEMENTS
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Tungsten/bromine cycle lamp
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Patent number 4,128,783
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Issue date Dec 5, 1978
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U.S. Philips Corporation
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Henricus F. J. I. Giller
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H01 - BASIC ELECTRIC ELEMENTS
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Electric incandescent lamp
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Patent number 4,032,808
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Issue date Jun 28, 1977
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U.S. Philips Corporation
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Werner Kischio
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H01 - BASIC ELECTRIC ELEMENTS
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3926832
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Patent number 3,926,832
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Issue date Dec 16, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3849687
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Patent number 3,849,687
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Issue date Nov 19, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3800180
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Patent number 3,800,180
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Issue date Mar 26, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3784275
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Patent number 3,784,275
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Issue date Jan 8, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3762995
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Patent number 3,762,995
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Issue date Oct 2, 1973
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G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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3679285
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Patent number 3,679,285
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Issue date Jul 25, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3644773
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Patent number 3,644,773
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Issue date Feb 22, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3585435
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Patent number 3,585,435
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Issue date Jun 15, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3580856
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Patent number 3,580,856
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Issue date May 25, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3475072
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Patent number 3,475,072
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Issue date Oct 28, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3465193
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Patent number 3,465,193
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Issue date Sep 2, 1969
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H01 - BASIC ELECTRIC ELEMENTS