| Patent normalization. | Bulk patent mapping | Added transposed item using job | Manual patent holder change | Declaration submission |
| US19990442230 | US19990442230 | US19990442230 | US19990442230 | US19990442230 |
| 17/11/1999 | 17/11/1999 | 17/11/1999 | 17/11/1999 | 17/11/1999 |
| US6393286 B1 21/05/2002 | US6393286 B1 21/05/2002 | US6393286 B1 21/05/2002 | US6393286 B1 21/05/2002 | US6393286 B1 21/05/2002 |
| Method for improving handovers between mobile communication systems | Method for improving handovers between mobile communication systems | Method for improving handovers between mobile communication systems | Method for improving handovers between mobile communication systems | Method for improving handovers between mobile communication systems |
| | | | | |
| | | | | |
| UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES |
| | | | | |
| US19990442230 | US19990442230 | US19990442230 | US19990442230 | US19990442230 |
| ERICSSON TELEFON AB L M [SE] | ERICSSON TELEFON AB L M [SE] | ERICSSON TELEFON AB L M [SE] | Unwired Planet, LLC | Unwired Planet, LLC |
| | US19990442230;WO2000SE02043 | X | US19990442230 US19990442230;WO2000SE02043 | X |
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