Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6122525 | International mobile station identification method and signaling system for cellular radiotelephones and systems | Robert K. Krolopp | 2000-09-19 |
| 5699408 | International mobile station identification method and signaling system for cellular radiotelephones and systems | Robert K. Krolopp | 1997-12-16 |