Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4208242 | Method for color television picture tube aperture mask production employing PVA and removing the PVA by partial carmelizing and washing | — | 1980-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4208242 | Method for color television picture tube aperture mask production employing PVA and removing the PVA by partial carmelizing and washing | — | 1980-06-17 |