73392329
Sep 29, 1982
Dec 18, 1984
GRANT PRIDECO INC.
Active Trademark
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Metal Manually Operated Gate Valves
Oilwell or Gas Well Drilling and Operating Tools and Equipment-Namely, Blowout Preventers, Blowout Preventer Stacks, Drilling Chokes, and Choke and Kill Manifolds
[ Automatically Operated Gas Valves ]