| Automatic patent import | Declaration submission | Manual patent holder change | Declaration submission |
| US19970996478 | US19970996478 | US19970996478 | US19970996478 |
| 22/12/1997 | 22/12/1997 | 22/12/1997 | 22/12/1997 |
| US6516199 B1 04/02/2003 | US6516199 B1 04/02/2003 | US6516199 B1 04/02/2003 | US6516199 B1 04/02/2003 |
| Reducing interference in telecommunications systems | Reducing interference in telecommunications systems | Reducing interference in telecommunications systems | Reducing interference in telecommunications systems |
| | | | |
| | | | |
| UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES |
| | | | |
| GB19960026680 | GB19960026680 | GB19960026680 | GB19960026680 |
| ERICSSON TELEFON AB L M [SE] | ERICSSON TELEFON AB L M [SE] | Unwired Planet, LLC | Unwired Planet, LLC |
| GB19960026680 | X | GB19960026680 | X |
| | | | |