Calgary
Canada
3
2020-04-30
The entities that hold a legal rights for patent applications filed by inventor DEVLIN David D.:
David D. DEVLIN from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Downhole flow diversion device with oscillation damper
#2 | 2018-02-08Downhole flow diversion device with oscillation damper
#3 | 2012-10-04SYSTEM, METHOD AND APPARATUS FOR PROTECTING DOWNHOLE COMPONENTS FROM SHOCK AND VIBRATION
2111400 ⎘