183 Utility Patents
#1 in Johnston, IA
#6 in Iowa
#1,495 in US
#2,554 in the World
Forward Citations = 928
Company Filing History:

Pioneer Hi-bred Int'l Inc.
Pioneer Hi-bred Itnrenational, Inc.
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#1 in Johnston, IA
#6 in Iowa
#1,495 in US
#2,554 in the World
Company Filing History:

Get your Inventor Badge Today