Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3276909A | Fuel cell electrodes | Leesona Corp | Expired / Lapsed | 1961-04-06 | 1966-10-04 | 1981-04-06 | 0.0 yrs | 2 | |
| US2369488A | Method of making hollow articles | Leesona Corp | Expired / Lapsed | 1940-08-14 | 1945-02-13 | 1960-08-14 | 0.0 yrs | 0 | |
| US1652601A | Cop holder or support | Leesona Corp | Expired / Lapsed | 1927-05-25 | 1927-12-13 | 1947-05-25 | 0.0 yrs | 0 |