SIERRA ENGINEERING
USPTO Trademark Record · Serial No. 75185834
Trademark details
It was initially claimed by Drennon/Castillo Ltd.-I on 19961023.
That brand applies to the following goods and services:on-site petroleum engineering services to implement the treatment and stimulation of oil and gas wells to enhance production, including the design and the on-site supervision and implementation of fracturing procedures by hydraulic fracturing and well casing perforating procedures by gun perforating.
Currently that trademark is represented by trademark attorney(s): DOROTHY HARRIS.
You can learn more about that trademark on the USPTO website: View the USPTO record
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