5 Utility Patents
#2 in Dallas Center, IA
#2,693 in Iowa
#398,330 in US
#829,335 in the World
Forward Citations = 103
Company Filing History:


Pioneer Hi-bred Int'l Inc.
where one patent can have more than one assignee
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#2 in Dallas Center, IA
#2,693 in Iowa
#398,330 in US
#829,335 in the World
Company Filing History:


Get your Inventor Badge Today