DT

David C. Tragna

Overall (All Time): #2,158,933 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7254983 Fuel gauge for hydrogen storage media David H. DaCosta, P. Mark Golben 2007-08-14
7237428 Fuel gauge for hydrogen storage media David H. DaCosta, P. Mark Golben 2007-07-03