Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797913 | Direct telephone dial ordering service | Robert W. Humes | 1989-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797913 | Direct telephone dial ordering service | Robert W. Humes | 1989-01-10 |