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Bifacial solar cell
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Patent number 5,665,175
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Issue date Sep 9, 1997
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Yakov Safir
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H01 - BASIC ELECTRIC ELEMENTS
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Back sealing of silicon wafers
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Patent number 4,687,682
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Issue date Aug 18, 1987
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American Telephone and Telegraph Company, AT&T Technologies, Inc.
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Jeffrey T. Koze
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H01 - BASIC ELECTRIC ELEMENTS
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Furnace contamination
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Patent number 4,668,330
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Issue date May 26, 1987
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Monsanto Company
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Paul F. Golden
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H01 - BASIC ELECTRIC ELEMENTS
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3929526
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Patent number 3,929,526
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Issue date Dec 30, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3929528
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Patent number 3,929,528
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Issue date Dec 30, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3928091
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Patent number 3,928,091
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Issue date Dec 23, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3928092
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Patent number 3,928,092
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Issue date Dec 23, 1975
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C30 - CRYSTAL GROWTH
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3915765
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Patent number 3,915,765
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Issue date Oct 28, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3916431
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Patent number 3,916,431
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Issue date Oct 28, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3914856
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Patent number 3,914,856
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Issue date Oct 28, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3909304
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Patent number 3,909,304
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Issue date Sep 30, 1975
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H01 - BASIC ELECTRIC ELEMENTS