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Closure lock
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Patent number 4,944,169
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Issue date Jul 31, 1990
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Martinray Industries Ltd.
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H. M. Robert Labelle
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Rolling firedoor
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Patent number 4,664,170
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Issue date May 12, 1987
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Martinray Industries Ltd.
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H. M. Robert Labelle
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Barrel rings
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Patent number 4,633,927
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Issue date Jan 6, 1987
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Martinray Industries Ltd.
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H. M. Robert Labelle
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Insulated closure panel
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Patent number 4,628,982
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Issue date Dec 16, 1986
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Martinray Industries Ltd.
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H. M. Robert Labelle
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Rolling closure guide means
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Patent number 4,586,552
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Issue date May 6, 1986
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Martinray Industries Ltd.
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H. M. Robert Labelle
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Rolling closure bottom seal
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Patent number 4,571,889
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Issue date Feb 25, 1986
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Martinray Industries Ltd.
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H. M. Robert Labelle
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Sectional folding closure
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Patent number 4,497,357
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Issue date Feb 5, 1985
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Martinray Industries Ltd.
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Henri M. R. Labelle
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Closure hinge improvements
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Patent number 4,475,268
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Issue date Oct 9, 1984
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Martinray Industries Ltd.
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Henri M. R. Labelle
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Hinge having open curved portions
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Patent number 4,434,525
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Issue date Mar 6, 1984
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Martinray Industries Ltd.
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Henri M. R. Labelle
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES