RS

Robert Sparks

SO Solar: 1 patents #24 of 46Top 55%
Overall (All Time): #4,122,982 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4231352 Interface circuit for adding solar heat to a building heating and cooling system Donald R. Bowden 1980-11-04