National Union Radio Corp
National UActive Patents
0
Total Holdings
10
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2710890A | Dot-screen type color television apparatus | Expired / Lapsed | 1950-06-01 | 1955-06-14 | 0 | Details |
| US2623121A | Wave guide | Expired / Lapsed | 1950-04-28 | 1952-12-23 | 0 | Details |
| US2620454A | Focused radial beam electron tube | Expired / Lapsed | 1950-04-05 | 1952-12-02 | 0 | Details |
| US2616061A | Electrostatically-focused rotary radial beam tube | Expired / Lapsed | 1950-09-16 | 1952-10-28 | 0 | Details |
| US2615821A | Method of making scotophor screens | Expired / Lapsed | 1949-03-11 | 1952-10-28 | 2 | Details |
| US2564908A | Voltage sampling and electron beam holding arrangement | Expired / Lapsed | 1949-03-08 | 1951-08-21 | 0 | Details |
| US2535817A | Electrooptical dark trace storage tube | Expired / Lapsed | 1948-10-23 | 1950-12-26 | 0 | Details |
| US2533381A | Electrooptical dark trace picture tube | Expired / Lapsed | 1948-10-23 | 1950-12-12 | 0 | Details |
| US2521240A | Remote-control arrangement for toy vehicle systems | Expired / Lapsed | 1947-01-03 | 1950-09-05 | 0 | Details |
| US2259532A | Method and circuit for reducing the effect of noise pulses | Expired / Lapsed | 1940-04-13 | 1941-10-21 | 0 | Details |