600 ARRASMITH TRAIL, AMES, IA, 50010, USA
GENERAL FILTER COMPANY (Delaware (US)) | details |
Mark Text | Image | Register | NICE classifications | Registration Date | Expiry Date | ||
---|---|---|---|---|---|---|---|
GF | United States Patent and Trademark Office | 11 | 1995-05-30 | 2002-06-08 | historic | details | |
PAK TOR | United States Patent and Trademark Office | 11 | 1974-06-25 | historic | details | ||
DUOVAL | United States Patent and Trademark Office | 11 | 1972-05-09 | historic | details |