KU

Keith R. Underwood

📍 Annapolis, MD: #1 of 51 inventorsTop 2%
🗺 Maryland: #504 of 3,967 inventorsTop 15%
Overall (2021): #141,000 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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