DE

Douglas C. Echert

Overall (All Time): #3,902,645 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4924698 Method and apparatus for remote monitoring of oceanographic conditions Edward W. Geller, Dennis J. Hanzlick, James H. Morison 1990-05-15