Presence tracking and name space interconnection techniques
US7536437B2 · kind B2 · utility
144Cited by
86References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 14, 2003 |
| Grant date | May 19, 2009 |
| Priority date | — |
| Expiry date | Jan 28, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/14
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention is directed to a presence and availability system including:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.