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Method for producing an insulating web
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Patent number 10,144,159
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Issue date Dec 4, 2018
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Ensinger GmbH
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Bernhard Koenigsberger
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Casement frame
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Patent number 4,333,295
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Issue date Jun 8, 1982
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HEF-Fenstertechnik Vetriebs GmbH
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Bernhard Janke
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Connector for spaced metal parts
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Patent number 4,158,512
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Issue date Jun 19, 1979
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Wilhelm Hasselbacher
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Connector for metal parts
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Patent number 4,157,641
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Issue date Jun 12, 1979
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Wilhelm Hasselbacher
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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3579724
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Patent number 3,579,724
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Issue date May 25, 1971
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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3517472
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Patent number 3,517,472
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Issue date Jun 30, 1970
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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3411254
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Patent number 3,411,254
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Issue date Nov 19, 1968
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS