Roger ANTONSEN

City:

Randaberg

Country:

Norway

Published Applications:

Last publication date:

2013-02-28

Top Assignees for applications by Roger ANTONSEN

The entities that hold a legal rights for patent applications filed by inventor ANTONSEN Roger:

Roger ANTONSEN from Randaberg, NO has applied for patents for these inventions. The list has both pending applications and granted patents:

APPARATUS AND METHOD FOR PENETRATING CEMENT SURROUNDING A TUBULAR

System and method for operating multiple valves

System and Method for Operating Multiple Valves

Expandable ball seat

InventorID:

106800 ⎘