DB

David T. Bardwell

ES Ecowater Systems: 1 patents #1 of 5Top 20%
📍 Woodbury, MN: #76 of 212 inventorsTop 40%
🗺 Minnesota: #1,346 of 4,549 inventorsTop 30%
Overall (2002): #237,152 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D465546 Water softener having a contoured and sloping lid Jeffrey Popowski, John E. Ziegenfuss 2002-11-12