Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10470030 | Method and apparatus for managing mobile subscriber identification information according to registration errors | Walter Cooper Chastain, Stephen Emille Chin | 2019-11-05 |
| 10299238 | Method and apparatus for managing mobile subscriber identification information according to registration requests | Stephen Emille Chin, Walter Cooper Chastain | 2019-05-21 |
| 10237719 | Method and apparatus for managing mobile subscriber identification information according to registration errors | Walter Cooper Chastain, Stephen Emille Chin | 2019-03-19 |