Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5481594 | Audio caller identification unit | Francis Shen, Anthony P. Shen, Eric Edwards, Grigor K. Kotzev | 1996-01-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5481594 | Audio caller identification unit | Francis Shen, Anthony P. Shen, Eric Edwards, Grigor K. Kotzev | 1996-01-02 |