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DON HAK AND SON, INC.
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Convoy, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Universal seed metering disc
Patent number
6,634,522
Issue date
Oct 21, 2003
Don Hak & Son, Inc.
Larry Hak
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
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Patent Application
UNIVERSAL SEED METERING DISC
Publication number
20040112913
Publication date
Jun 17, 2004
DON HAK AND SON, INC.
Larry Hak
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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last 30 trademarks