Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291543 | Cellular telephone real time account administration system | David A. Miller, Mark J. Nielsen | 1994-03-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291543 | Cellular telephone real time account administration system | David A. Miller, Mark J. Nielsen | 1994-03-01 |