Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4840838A | High temperature filter felt | Toray Industries Inc | Expired / Lapsed | 1988-09-08 | 1989-06-20 | 2008-09-08 | 0.0 yrs | 5 | |
| US4488954A | Method of treating inner surface of plastic tube with plasma | Toray Industries Inc | Expired / Lapsed | 1983-03-03 | 1984-12-18 | 2003-03-03 | 0.0 yrs | 10 |