19 Utility Patents
#36 in Johnston, IA
#503 in Iowa
#91,781 in US
#181,319 in the World
Forward Citations = 118
Company Filing History:


Pioneer Hi-bred Int'l Inc.
where one patent can have more than one assignee
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#36 in Johnston, IA
#503 in Iowa
#91,781 in US
#181,319 in the World
Company Filing History:


Get your Inventor Badge Today