Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5713072 | Cellular fraud deterrent system | Charles F. Marth, Kurt T. Lemke, Zhu Shenzhong | 1998-01-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5713072 | Cellular fraud deterrent system | Charles F. Marth, Kurt T. Lemke, Zhu Shenzhong | 1998-01-27 |