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Ladder levelling stabilizer
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Patent number 9,540,876
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Issue date Jan 10, 2017
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Branach Technology Pty Ltd
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Michael Walsh
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Ladder
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Patent number 7,104,361
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Issue date Sep 12, 2006
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Branach Technology PTY Ltd.
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Michael P. Walsh
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS