JR

John S. Rolland

EN Ensco: 1 patents #39 of 95Top 45%
Overall (All Time): #2,165,252 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6999021 Method and apparatus for detecting, mapping and locating underground utilities David W. A. Taylor, Jr., Alan G. Bell, Matthew W. McGarvey, William H. A. McBride, Yuri Rosenberg +2 more 2006-02-14
5667254 Device for connecting a container wall with a pipe 1997-09-16