InterDigital Technology Corp
InterDigitActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US5367533A | Dynamic capacity allocation CDMA spread spectrum communicat… | Expired / Lapsed | 1993-06-07 | 1994-11-22 | 17 | Details |
| US5345467A | CDMA cellular hand-off apparatus and method | Expired / Lapsed | 1992-10-08 | 1994-09-06 | 61 | Details |
| US5228053A | Spread spectrum cellular overlay CDMA communications system | Expired / Lapsed | 1991-10-17 | 1993-07-13 | 12 | Details |
| US5166951A | High capacity spread spectrum channel | Expired / Lapsed | 1991-05-15 | 1992-11-24 | 34 | Details |
| US5161168A | Spread spectrum CDMA communications system microwave overlay | Expired / Lapsed | 1991-05-15 | 1992-11-03 | 20 | Details |
| US5081643A | Spread spectrum multipath receiver apparatus and method | Expired / Lapsed | 1990-11-16 | 1992-01-14 | 18 | Details |
| US4675863A | Subscriber RF telephone system for providing multiple speec… | Expired / Lapsed | 1985-03-20 | 1987-06-23 | 20 | Details |