JEFFREY W. SPENCE

City:

Calgary

Country:

Canada

Published Applications:

Last publication date:

2011-05-12

Top Assignees for applications by JEFFREY W. SPENCE

The entities that hold a legal rights for patent applications filed by inventor SPENCE JEFFREY W.:

JEFFREY W. SPENCE from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

Apparatus and method for creating pressure pulses in a wellbore

InventorID:

3378324 ⎘