RR

Ronald C. Rothman

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Duluth, MN: #107 of 317 inventorsTop 35%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,217,403 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6439061 Airflow measuring assembly for air handling systems Gary Nelson, Larry Palmiter 2002-08-27
5058419 Method and apparatus for determining the location of a sound source Kari N. Nordstrom 1991-10-22