Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4199790 | Matrix wipe generator for television signals | Raymond L. Greenfield | 1980-04-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4199790 | Matrix wipe generator for television signals | Raymond L. Greenfield | 1980-04-22 |