Mark O. Johnson

City:

Anchorage, Alaska

Country:

United States

Published Applications:

Last publication date:

2014-09-18

Top Assignees for applications by Mark O. Johnson

The entities that hold a legal rights for patent applications filed by inventor Johnson Mark O.:

Mark O. Johnson from Anchorage, US has applied for patents for these inventions. The list has both pending applications and granted patents:

DUAL UNDERGROUND TUNNEL SYSTEM FOR HYDROCARBON EXPLOITATION

Cementing method and apparatus for use with running string having an obstruction

Method and apparatus for cementing a liner in a borehole using a tubular member having an obstruction

Drilling Method and Apparatus

InventorID:

2956412 ⎘