Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6934529 | Replenishment of pre-paid wireless telephone accounts using short message service (SMS) | Sevket Ilhan Bagoren, Esref Ozulkulu, Burak Ertas, Cem Koca | 2005-08-23 |
| 5511111 | Caller name and identification communication system with caller screening option | Ilhan Bagoren, Osman Ali Duman, Esref Ozulkulu | 1996-04-23 |