Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US1919007A | Signaling system | HOLMES ELECTRIC PROTECTIVE CO | Expired / Lapsed | 1931-08-21 | 1933-07-18 | 1951-08-21 | 0.0 yrs | 0 | |
| US1521793A | Alarm device | HOLMES ELECTRIC PROTECTIVE CO | Expired / Lapsed | 1922-07-31 | 1925-01-06 | 1942-07-31 | 0.0 yrs | 0 |