Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2503083A | Apparatus for controlling picture displays from sound records | VITARAMA CORP | Expired / Lapsed | 1947-02-15 | 1950-04-04 | 1967-02-15 | 0.0 yrs | 0 | |
| US2475439A | Sound reproduction accompanied by pictures | VITARAMA CORP | Expired / Lapsed | 1947-03-31 | 1949-07-05 | 1967-03-31 | 0.0 yrs | 0 | |
| US2406574A | Gunnery training | VITARAMA CORP | Expired / Lapsed | 1941-10-17 | 1946-08-27 | 1961-10-17 | 0.0 yrs | 0 |