Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331974 | Cable television with controlled signal substitution | Ned W. Cogswell, Gerald J. Eskin | 1982-05-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331974 | Cable television with controlled signal substitution | Ned W. Cogswell, Gerald J. Eskin | 1982-05-25 |