Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582654 | Nebulizer particularly adapted for analytical purposes | Joseph F. Karnicky | 1986-04-15 |
| 4550251 | Image intensifier tube with increased contrast ratio | Richard Schumacher | 1985-10-29 |
| 4333030 | Image converter tube with contrast enhancing filter which partially absorbs internally reflected light | — | 1982-06-01 |