Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4387145 | Lift-off shadow mask | William I. Lehrer | 1983-06-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4387145 | Lift-off shadow mask | William I. Lehrer | 1983-06-07 |