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Development Resources of Iowa, Inc.
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Strawberry Point, IA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Cross ventilation curtain system
Patent number
8,905,830
Issue date
Dec 9, 2014
Development Resources of Iowa, Inc.
Richard Schmelzer
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
Information
Patent Application
CROSS VENTILATION CURTAIN SYSTEM
Publication number
20110155330
Publication date
Jun 30, 2011
Development Resources of Iowa, Inc.
Richard Schmelzer
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Roll-up curtain assembly
Publication number
20040094273
Publication date
May 20, 2004
Development Resources of Iowa, Inc.
Larry J. Kubly
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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last 30 trademarks