Houston, Texas
United States
3
2010-06-17
The entities that hold a legal rights for patent applications filed by inventor Bowen Jonathan:
Jonathan Bowen from Houston, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Remote operated actuator system for drill string internal blowout preventer
#2 | 2007-03-15Pressure-actuated seals for rotating members
#3 | 2005-10-06Remote operated actuator system for drill string internal blowout preventer
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