Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816899 | Compatible widescreen television system | Terrence R. Smith, Barbara J. Roeder, Michael A. Isnardi | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816899 | Compatible widescreen television system | Terrence R. Smith, Barbara J. Roeder, Michael A. Isnardi | 1989-03-28 |