HYDRIL COMPANY (Delaware (US)) | details |
branch HYDRIL COMPANY (Oklahoma (US)) | details | |
branch HYDRIL COMPANY (California (US)) | details |
Mark Text | Image | Register | NICE classifications | Registration Date | Expiry Date | ||
---|---|---|---|---|---|---|---|
TRIPLESEAL | United States Patent and Trademark Office | 6 | 1957-08-27 | historic | details |