Patent Explorer
Browse, filter, and analyze 8 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2402410A | Radio beacon system | WASHINGTON INST OF TECHNOLOGY | Expired / Lapsed | 1942-01-27 | 1946-06-18 | 1962-01-27 | 0.0 yrs | 0 | |
| US2309314A | Radio guidance system | WASHINGTON INST OF TECHNOLOGY | Expired / Lapsed | 1940-12-26 | 1943-01-26 | 1960-12-26 | 0.0 yrs | 0 | |
| US2255569A | Indicating means for radio landing systems | WASHINGTON INST OF TECHNOLOGY | Expired / Lapsed | 1938-10-26 | 1941-09-09 | 1958-10-26 | 0.0 yrs | 0 | |
| US2232592A | Modulation system | WASHINGTON INST OF TECHNOLOGY | Expired / Lapsed | 1938-07-18 | 1941-02-18 | 1958-07-18 | 0.0 yrs | 0 | |
| US2139057A | Radio apparatus and method | WASHINGTON INST OF TECHNOLOGY | Expired / Lapsed | 1932-04-20 | 1938-12-06 | 1952-04-20 | 0.0 yrs | 0 | |
| US2122145A | Radio communication system | WASHINGTON INST OF TECHNOLOGY | Expired / Lapsed | 1933-08-03 | 1938-06-28 | 1953-08-03 | 0.0 yrs | 0 | |
| US2083665A | Ammunition and ordnance device | WASHINGTON INST OF TECHNOLOGY | Expired / Lapsed | 1933-10-06 | 1937-06-15 | 1953-10-06 | 0.0 yrs | 0 | |
| US2003240A | Method of and apparatus for radiodynamic steering control | WASHINGTON INST OF TECHNOLOGY | Expired / Lapsed | 1930-08-28 | 1935-05-28 | 1950-08-28 | 0.0 yrs | 0 |