DM

Donovan B. Mathes

SD Solar Dynamics: 1 patents #1 of 9Top 15%
Overall (All Time): #4,053,902 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4391268 Solar water heater control and protection system Floyd B. Hamilton, Douglas C. Spreng 1983-07-05