DR

Dennis R. Rice

PP Phillips Petroleum: 2 patents #574 of 1,401Top 45%
📍 Oracle, AZ: #7 of 27 inventorsTop 30%
🗺 Arizona: #10,057 of 32,909 inventorsTop 35%
Overall (All Time): #1,606,166 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6790418 Materials and method for the biological production of sulfuric acid Tom L. Young, Michael G. Greene, Kelly L. Karlage, Sean P. Premeau, Janet M. Cassells 2004-09-14
6610268 Method for the microbiological production of sulfuric acid Tom L. Young, Michael G. Greene, Kelly L. Karlage, Sean P. Premeau, Janet M. Cassells 2003-08-26
6471743 Methods for leaching of ores Tom L. Young, Michael G. Greene, Kelly L. Karlage, Sean P. Premeau 2002-10-29