KU

Keith R. Underwood

📍 Annapolis, MD: #174 of 661 inventorsTop 30%
🗺 Maryland: #10,129 of 35,612 inventorsTop 30%
Overall (All Time): #1,322,508 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12252875 Sand seepage stream and wetland restoration system — 2025-03-18
11047124 Sand seepage stream and wetland restoration system and method for ecological restoration — 2021-06-29
11047125 Regenerative stormwater conveyance system and method — 2021-06-29