Pinehurst, Texas
United States
4
2020-11-12
The entities that hold a legal rights for patent applications filed by inventor Carroll David:
David Carroll from Pinehurst, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Drilling Rig System Having Improved Electrical Subsystem
#2 | 2017-07-27Drilling rig system having improved electrical subsystem
#3 | 2016-05-26DRILLING RIG SYSTEM HAVING IMPROVED ELECTRICAL SUBSYSTEM
#4 | 2016-05-26Drilling rig system having improved electrical subsystem
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