Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6151191 | Helical scan recording with a self-acting negative air bearing | Hans F Hinteregger | 2000-11-21 |
| 6118626 | Contact sheet recording with a self-acting negative air bearing | Hans F Hinteregger | 2000-09-12 |