Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D290460 | Computer for recording time and charges for telephone calls | Ruben M. Lopez | 1987-06-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D290460 | Computer for recording time and charges for telephone calls | Ruben M. Lopez | 1987-06-23 |