Benjamin R. Orr

City:

Midlothian, Texas

Country:

United States

Published Applications:

Last publication date:

2012-04-19

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Benjamin R. Orr from Midlothian, US has applied for patents for these inventions. The list has both pending applications and granted patents:

Apparatus and method for compensating for pressure changes within an isolated annular space of a wellbore

InventorID:

3143254 ⎘