DH

Duane Harthoorn

VM Vermeer Manufacturing: 2 patents #2 of 30Top 7%
📍 Lynnville, IA: #1 of 1 inventorsTop 100%
🗺 Iowa: #89 of 1,020 inventorsTop 9%
Overall (2005): #57,705 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6978955 Mill box for materials grinder Gary Verhoef, Frederick H. Lucas 2005-12-27
6843435 Mill box for materials grinder Gary Verhoef, Frederick H. Lucas 2005-01-18