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Joseph A. Nelson

Le Grand, IA: #1 of 1 inventorsTop 100%

Iowa: #89 of 549 inventorsTop 20%

Overall (1989): #93,772 of 140,708Top 70%

1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4827766	Dual filter, drop based, digital raingauge	—	1989-05-09