ROCKBLOCK

● Live · Registered

U.S. federal trademark · Serial No. 87774965 · Reg. No. 5704781

Mark

ROCKBLOCK

Status

Registered

Serial Number

87774965

Registration No.

5704781

Filing Date

January 29, 2018

Registration Date

March 19, 2019

Class(es)

Class 001

Owners

16 · Houston, TX, US

13 · Houston, TX, US

13 · Houston, TX, US

13 · Houston, TX, US

Drilling mud additive for use in oil and gas well drilling

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Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.