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Inventor
GEHRING-SCHEFF CHRISTINE E
US
3 patents
Patents
3 patents
US7204048B2
Apr 17, 2007
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HALLMARK CARDS
45 citations
91
US7827710B2
Nov 9, 2010
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HALLMARK CARDS
5 citations
70
US7975411B2
Jul 12, 2011
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HALLMARK CARDS
4 citations
59