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Heat insulated door
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Patent number 4,183,393
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Issue date Jan 15, 1980
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Overhead Door Corporation
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Morris W. Bailey
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Fire door and operator therefor
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Patent number 4,147,197
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Issue date Apr 3, 1979
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Overhead Door Corporation
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Morris W. Bailey
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Switch mechanism for door operator
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Patent number 4,010,408
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Issue date Mar 1, 1977
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Overhead Door Corporation
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Morris W. Bailey
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Paneled door construction
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Patent number 4,008,745
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Issue date Feb 22, 1977
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Overhead Door Corporation
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Morris W. Bailey
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Door operator with screw drive
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Patent number 3,996,697
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Issue date Dec 14, 1976
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Overhead Door Corporation
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Morris W. Bailey
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES