John Sobolewski

City:

Okotoks

Country:

Canada

Published Applications:

Last publication date:

2018-11-08

Top Assignees for applications by John Sobolewski

The entities that hold a legal rights for patent applications filed by inventor Sobolewski John:

John Sobolewski from Okotoks, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

Tool assembly with collet and shiftable valve and process for directing fluid flow in a wellbore

InventorID:

2342949 ⎘