DS

Donald L. Spencer

UI University Of Iowa: 4 patents #108 of 1,079Top 15%
📍 Iowa City, IA: #185 of 834 inventorsTop 25%
🗺 Iowa: #3,757 of 15,303 inventorsTop 25%
Overall (All Time): #1,310,263 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4299200 Apparatus and method for collecting solar energy 1981-11-10
4286577 Apparatus for containing liquid Patrick J. Melroy 1981-09-01
4240407 Solar absorber panel, collector assembly and installation method 1980-12-23
4186726 Apparatus and method for collecting solar energy 1980-02-05