WE

William Ehni

Overall (All Time): #1,263,604 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6963205 Electrically measuring soil dry density John W. Lundstrom, Dennis M. Anderson, Dave B. Straley, Darrell R. Word 2005-11-08
6380745 Electrical geophysical apparatus for determining the density of porous materials and establishing geo-electric constants of porous material Dennis M. Anderson 2002-04-30
5861750 Geophysical methods and apparatus for determining the hydraulic conductivity of porous materials Dennis M. Anderson 1999-01-19
5861751 Electrical geophysical methods and apparatus for determining the in-situ density of porous material Dennis M. Anderson 1999-01-19