Found 19. Showing first 10
branch PHILADELPHIA QUARTZ COMPANY (New Jersey (US), 30 Oct 1975- )
PQ LLC (Pennsylvania (US), 16 Apr 1904- )
Ecovyst Pennsylvania Inc. (Pennsylvania (US), 10 Oct 1975- )
branch PQ CORPORATION (Missouri (US), 17 May 1926- )
inactive PHILADELPHIA QUARTZ COMPANY (Illinois (US), 31 Oct 1975- )
inactive PHILADELPHIA QUARTZ COMPANY OF CALIFORNIA (California (US), 16 Jun 1917- )
inactive branch PHILADELPHIA QUARTZ COMPANY (Maryland (US), 30 Oct 1975- )
inactive branch PHILADELPHIA QUARTZ COMPANY (Kansas (US), 4 Nov 1975-15 Jul 1996)
inactive branch PHILADELPHIA QUARTZ COMPANY (California (US), 4 Nov 1975-28 Jul 1997)
inactive branch PHILADELPHIA QUARTZ COMPANY (Missouri (US), 3 Nov 1975-31 Aug 1995)
| inactive branch Philadelphia Quartz Company (Alabama (US), 31 Oct 1975- ) |
details |
| PQ GROUP HOLDINGS INC. (Delaware (US), 7 Aug 2015- ) |
details |
| Mark Text | Image | Register | NICE classifications | Registration Date | Expiry Date | ||
|---|---|---|---|---|---|---|---|
| SEAL |  |
United States Patent and Trademark Office | 1 | 1936-11-24 | historic | details | |
| P |  |
United States Patent and Trademark Office | 1 | 1936-11-17 | historic | details | |
| STAR |  |
United States Patent and Trademark Office | 1 | 1936-10-27 | historic | details | |
| TN |  |
United States Patent and Trademark Office | 1 | 1936-09-01 | historic | details | |
| METSO |  |
United States Patent and Trademark Office | 1 | 1932-07-12 | historic | details |
Problem/question about this data? Click here
