Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| FR875411A | Heating or cooling device for concrete buildings | Julietta Müllers | Expired / Lapsed | 1941-08-23 | 1942-09-21 | 1961-08-23 | 0.0 yrs | 0 | |
| FR875412A | Air heating or cooling device for buildings | Julietta Müllers | Expired / Lapsed | 1941-08-23 | 1942-09-21 | 1961-08-23 | 0.0 yrs | 0 |