RH

Roy T. Hellwig

📍 Sequim, WA: #36 of 87 inventorsTop 45%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,017,389 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9440411 Living roof and wall systems using cultivated mineral wool mats to support BLAVEs, methods of cultivation and innoculants therefor 2016-09-13