CH

Charles R. Harrold

NI Nelson Irrigation: 2 patents #1 of 7Top 15%
📍 Walla Walla, WA: #1 of 9 inventorsTop 15%
🗺 Washington: #493 of 3,868 inventorsTop 15%
Overall (2003): #73,086 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6620278 Drip tape manufacturing process Theodore J. Bren 2003-09-16
6543509 Apparatus for forming agricultural drip tape Theodore J. Bren 2003-04-08