Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800582 | Method and apparatus for creating and storing telephone directory listings | Nicholas A. D'Agosto, III, Emil F. Jachmann | 1989-01-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800582 | Method and apparatus for creating and storing telephone directory listings | Nicholas A. D'Agosto, III, Emil F. Jachmann | 1989-01-24 |