Darren Johnson

City:

Red Deer

Country:

Canada

Published Applications:

Last publication date:

2019-05-23

Top Assignees for applications by Darren Johnson

The entities that hold a legal rights for patent applications filed by inventor Johnson Darren:

Darren Johnson from Red Deer, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

Surface deploying sleeve and plug launcher for an oil or gas well

Ball launcher

InventorID:

2081704 ⎘