Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4521714 | Shielded electron beam guide assembly for flat panel display devices | John Kowalik, Jr. | 1985-06-04 |
| 4216407 | Flat panel display device with beam collector | — | 1980-08-05 |