Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636592 | Method and system for using bad billed number records to prevent fraud in a telecommunication system | Arthur Lance Springer | 2003-10-21 |
| 6618475 | Domestic origination to international termination country set logic | Arthur Lance Springer | 2003-09-09 |
| 6590967 | Variable length called number screening | Arthur Lance Springer | 2003-07-08 |
| 6570968 | Alert suppression in a telecommunications fraud control system | Erin C. Jackman | 2003-05-27 |
| 6556669 | International origination to domestic termination call blocking | Arthur Lance Springer | 2003-04-29 |