GC

Graham E. Coombes

Overall (All Time): #1,677,824 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4587859 Seismic trigger Austin J. Lemoine 1986-05-13
4531533 Seismic trigger Austin J. Lemoine 1985-07-30
4214451 Energy cogeneration system Hiranya S. Rao 1980-07-29