HL

Harold D Ladouceur

📍 Severn, MD: #3 of 6 inventorsTop 50%
🗺 Maryland: #926 of 3,464 inventorsTop 30%
Overall (2018): #404,299 of 503,207Top 85%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9970276 System and method for dry fracture shale energy extraction Preston W. Grounds, III, Alan C. Kepple 2018-05-15