Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4931947A | Fuel cell/battery hybrid system having battery charge-level control | BASF Catalysts LLC | Expired / Lapsed | 1989-02-16 | 1990-06-05 | 2009-02-16 | 0.0 yrs | 9 | |
| US3383247A | Process for producing a fuel cell electrode | BASF Catalysts LLC | Expired / Lapsed | 1965-08-19 | 1968-05-14 | 1985-08-19 | 0.0 yrs | 2 | |
| US3370480A | Remote control rear view mirror | BASF Catalysts LLC | Expired / Lapsed | 1966-02-09 | 1968-02-27 | 1986-02-09 | 0.0 yrs | 2 |