JR

John Ruhnke

Overall (All Time): #1,586,728 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7200468 System for determining overall heating and cooling system efficienies John Distinti 2007-04-03
6431461 Tapered air purging circulator 2002-08-13
6129523 Air purging circulator 2000-10-10