John M. Sprott

City:

Spring, Texas

Country:

United States

Published Applications:

Last publication date:

2016-10-04

Top Assignees for applications by John M. Sprott

The entities that hold a legal rights for patent applications filed by inventor Sprott John M.:

John M. Sprott from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:

Borehole abandonment method using retrievable inflatable bridge plug with separate seal and anchor components

Ball drop circulation valve

InventorID:

4159507 ⎘