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Lamp glass envelope
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Patent number 4,569,867
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Issue date Feb 11, 1986
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General Electric Company
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Raymond J. Noe
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C03 - GLASS MINERAL OR SLAG WOOL
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2082639
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Patent number 2,082,639
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Issue date Jun 1, 1937
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C03 - GLASS MINERAL OR SLAG WOOL
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2082662
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Patent number 2,082,662
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Issue date Jun 1, 1937
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C03 - GLASS MINERAL OR SLAG WOOL
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2075771
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Patent number 2,075,771
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Issue date Mar 30, 1937
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C03 - GLASS MINERAL OR SLAG WOOL
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2017998
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Patent number 2,017,998
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Issue date Oct 22, 1935
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C03 - GLASS MINERAL OR SLAG WOOL
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2016374
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Patent number 2,016,374
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C03 - GLASS MINERAL OR SLAG WOOL
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1937289
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Patent number 1,937,289
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Issue date Nov 28, 1933
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C03 - GLASS MINERAL OR SLAG WOOL
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1888393
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Patent number 1,888,393
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Issue date Nov 22, 1932
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C03 - GLASS MINERAL OR SLAG WOOL
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1702498
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Issue date Feb 19, 1929
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C03 - GLASS MINERAL OR SLAG WOOL
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1404206
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Patent number 1,404,206
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C03 - GLASS MINERAL OR SLAG WOOL
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1149987
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C03 - GLASS MINERAL OR SLAG WOOL
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1132071
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C03 - GLASS MINERAL OR SLAG WOOL
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985439
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C03 - GLASS MINERAL OR SLAG WOOL
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851904
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C03 - GLASS MINERAL OR SLAG WOOL
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830160
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C03 - GLASS MINERAL OR SLAG WOOL
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670764
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C03 - GLASS MINERAL OR SLAG WOOL
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666141
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C03 - GLASS MINERAL OR SLAG WOOL
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476772
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C03 - GLASS MINERAL OR SLAG WOOL
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424331
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C03 - GLASS MINERAL OR SLAG WOOL