RH

Roy Dan Halloran

📍 Charleston, WV: #159 of 354 inventorsTop 45%
🗺 West Virginia: #1,108 of 3,425 inventorsTop 35%
Overall (All Time): #1,879,121 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11022345 Ground source heat pump heat exchanger Don Richardson 2021-06-01
10345051 Ground source heat pump heat exchanger Don Richardson 2019-07-09