CC

Christopher Callaway

EL E2Tech Limited: 1 patents #4 of 7Top 60%
Overall (All Time): #3,422,200 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7073583 Method and apparatus for expanding tubing downhole David Andrew Anderton, Alan MacKenzie 2006-07-11