John Key

City:

Comanche, Oklahoma

Country:

United States

Published Applications:

Last publication date:

2015-10-15

Top Assignees for applications by John Key

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

John Key from Comanche, US has applied for patents for these inventions. The list has both pending applications and granted patents:

Multiple ramp compression packer

External casing packer and method of performing cementing job

Multiple Ramp Compression Packer

Remotely activated downhole apparatus and methods

Remotely activated downhole apparatus and methods

InventorID:

35570 ⎘