DH

David Charles Holland

📍 Bordon, GB: #17 of 29 inventorsTop 60%
Overall (All Time): #3,486,128 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6771565 Low voltage seismic sound source John Murray Jopling, Paul Forster, Richard Elliot Hale 2004-08-03