Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5559859 | Paging system that allows caller/subscriber interconnection | Susan W. S. Dai, Donald W. Gayton, Brian Laird, Randy T. Tkatch, Sonny R. Bettis +3 more | 1996-09-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5559859 | Paging system that allows caller/subscriber interconnection | Susan W. S. Dai, Donald W. Gayton, Brian Laird, Randy T. Tkatch, Sonny R. Bettis +3 more | 1996-09-24 |