HH

Herbert A. Helman

SU Supreme: 1 patents #9 of 16Top 60%
Overall (All Time): #4,032,763 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4442827 Solar heat collector Edward R. Helman, Henry B. Holtschneider, Sidney P. Buford, Donald C. Fava, Jeffrey N. Christopher 1984-04-17