| Patent normalization. | Manual patent holder change | Declaration submission |
| US20000551012 | US20000551012 | US20000551012 |
| 18/04/2000 | 18/04/2000 | 18/04/2000 |
| US6377817 B1 23/04/2002 | US6377817 B1 23/04/2002 | US6377817 B1 23/04/2002 |
| Asymmetric data transmission for use in a multi-modulation environment | Asymmetric data transmission for use in a multi-modulation environment | Asymmetric data transmission for use in a multi-modulation environment |
| | | |
| | | |
| UNITED STATES | UNITED STATES | UNITED STATES |
| | | |
| US19990132196P;US20000551012 | US19990132196P;US20000551012 | US19990132196P;US20000551012 |
| NOKIA MOBILE PHONES LTD [US] | Sisvel International SA | Sisvel International SA |
| | US19990132196P;US20000551012;WO2000US11953 US19990132196P;US20000551012 | X |
| | | |