DD

Derwood S. DeLong

📍 Goochland, VA: #2 of 5 inventorsTop 40%
🗺 Virginia: #1,320 of 4,224 inventorsTop 35%
Overall (2020): #493,310 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10704206 Sub-irrigated tennis court Roy Hey, Sandra Humphreys Hunt 2020-07-07