Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31460 | Method and apparatus for standards conversion of television signals | Graham D. Roe | 1983-12-06 |
| 4364025 | Format switch | — | 1982-12-14 |
| 4276565 | Method and apparatus for standards conversion of television signals | Graham D. Roe | 1981-06-30 |