ED

Erik Denver

HE Heintzmann: 1 patents #1 of 4Top 25%
📍 Richlands, VA: #3 of 4 inventorsTop 75%
🗺 Virginia: #992 of 3,454 inventorsTop 30%
Overall (2017): #430,104 of 506,227Top 85%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9617705 Retainment wall for underground mine and method of construction John J. Breedlove, Tyler Proffitt, Robert Lamond 2017-04-11