Impex, Inc.
Records under this name other than patents Impex, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 5 of 5 · Back to Impex, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,693,109 | Self-aligning tool assembly for die shaping workpieces Term ended Term ended no later than Sep 15, 2007 · Low confidence | Term ended | Term ended no later than Sep 15, 2007 | Low confidence |
| US 5,397,754 | Method of brightening kaolin clay by thermal oxidative decarboxylation of organic contaminants Term ended Term ended no later than Mar 14, 2015 · Low confidence | Term ended | Term ended no later than Mar 14, 2015 | Low confidence |
| US D394,345 | Key ring Term ended | Term ended | ||
| US D401,759 | Crochet hook Term ended | Term ended | ||
| US D402,949 | Combined mirror and stand Term ended | Term ended |