Dirk Wierzbitzki
Inventor
Stats
- 2 US patents issued
- 2 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 2 US Patents Issued
- 2 US Applications Filed
- 42 Total Citation Count
- Apr 26, 2001 Most Recent Filing
- Aug 24, 2000 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| VODAFONE HOLDING GMBH | 1
| 2001
|
| Mannesmann AG | 1
| 2000
|
Inventor Addresses
| Address | Duration |
|---|---|
| Ratingen, DE | Nov 18, 03 - Oct 19, 04 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| H04M: | TELEPHONIC COMMUNICATION | 2 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 6807268 | 2004 | Sequential calling system with prioritization of the last dialed telephone number | 2 |
| 6650891 | 2003 | SMS-supported method for online/offline detection of user groups in mobile wireless networks | 23 |
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