EH

Erik K. HARTWELL

AS Advanced Drainage Systems: 2 patents #2 of 17Top 15%
📍 Mount Airy, MD: #2 of 19 inventorsTop 15%
🗺 Maryland: #461 of 3,824 inventorsTop 15%
Overall (2023): #158,390 of 537,848Top 30%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11691894 Systems and methods for stormwater management Daniel J. Figola, Bo Liu, Thomas E. Pank, Ronald R. Vitarelli 2023-07-04
11633678 Liquid quality system with drag-inducing portions Bo Liu, Daniel J. Figola 2023-04-25