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Releasable drive assembly
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Patent number 4,844,140
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Issue date Jul 4, 1989
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Byrne & Davidson Doors (N.S.W.) Pty. Limited
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Richard E. Jones
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Rolling door drive assembly
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Patent number 4,782,887
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Issue date Nov 8, 1988
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Byrne & Davidson Doors (NSW) Pty. Limited
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Richard E. Jones
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Roller door operating mechanism
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Patent number 4,257,285
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Issue date Mar 24, 1981
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Byrne & Davidson Doors (N.S.W.) Pty. Limited
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Martin H. Whitehouse
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES