Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4707855 | Personalized telephone signaling circuitry and device, and methods of constructing and utilizing same | Ralph R. Pasinski, Sammy L. Ayers, Jr. | 1987-11-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4707855 | Personalized telephone signaling circuitry and device, and methods of constructing and utilizing same | Ralph R. Pasinski, Sammy L. Ayers, Jr. | 1987-11-17 |