| Patent normalization. | Manual patent holder change | Declaration submission | Manual patent holder change | Declaration submission |
| US19980092381 | US19980092381 | US19980092381 | US19980092381 | US19980092381 |
| 05/06/1998 | 05/06/1998 | 05/06/1998 | 05/06/1998 | 05/06/1998 |
| US6285663 B1 04/09/2001 | US6285663 B1 04/09/2001 | US6285663 B1 04/09/2001 | US6285663 B1 04/09/2001 | US6285663 B1 04/09/2001 |
| Increasing performance in communications by embedding one signal in another signal | Increasing performance in communications by embedding one signal in another signal | Increasing performance in communications by embedding one signal in another signal | Increasing performance in communications by embedding one signal in another signal | Increasing performance in communications by embedding one signal in another signal |
| | | | | |
| | | | | |
| UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES |
| | | | | |
| US19980092381 | US19980092381 | US19980092381 | US19980092381 | US19980092381 |
| ERICSSON TELEFON AB L M [US] | Unwired Planet, LLC | Unwired Planet, LLC | Unwired Planet, LLC | Unwired Planet, LLC |
| | US19980092381 | X | US19980092381 | X |
| | | | | |