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Rotary latch for screen door
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Patent number 4,418,951
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Issue date Dec 6, 1983
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Nichols-Homeshield, Inc.
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Steven C. Schultz
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Roll-down window insulation
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Patent number 4,408,650
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Issue date Oct 11, 1983
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Nichols-Homeshield, Inc.
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John T. Verch
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Hurricane panel security device
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Patent number 4,333,271
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Issue date Jun 8, 1982
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Nichols-Homeshield, Inc.
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James F. DePaolo
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Method of producing a coating on a core
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Patent number 4,300,379
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Issue date Nov 17, 1981
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Nichols-Homeshield, Inc.
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Morris E. Johnson
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...