JW

John R. Wrenn

📍 Raleigh, NC: #3,984 of 6,378 inventorsTop 65%
🗺 North Carolina: #26,533 of 45,564 inventorsTop 60%
Overall (All Time): #3,569,058 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6172343 Heater and heater control with selective power rating William E. Nothe 2001-01-09