Purvis, Mississippi
United States
3
2017-01-12
The entities that hold a legal rights for patent applications filed by inventor Williams Brian:
Brian Williams from Purvis, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Blowout preventer test joint assembly for testing variable bore rams, shear rams and annulars
#2 | 2016-11-10Blowout-preventer-stack one-trip test tool and method
#3 | 2016-08-04Blowout preventer test joint assembly, for testing variable bore rams, shear rams, and annulars
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