ROCKBLOCK Trademark
ROCKBLOCK is a USPTO trademark filed by DORF KETAL WELL SERVICES, LLC. Status: Registered.
Trademark Facts
| Mark | ROCKBLOCK |
|---|---|
| Serial Number | 87774965 |
| Registration Number | 5704781 |
| Status | Registered |
| Filing Date | 2018-01-29 |
| Registration Date | 2019-03-19 |
| Mark Type | Word |
| Nice Classes | 001 (Chemicals) |
| Owner | DORF KETAL WELL SERVICES, LLC |
Goods & Services
Drilling mud additive for use in oil and gas well drilling