Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4958780 | Spool driving and braking | Rolf Heisterhagen, Wolfram Klebl, Harry Staschewski | 1990-09-25 |
| 4881489 | Color coding light wave conductors | Wolfram Klebl, Harry Staschewski | 1989-11-21 |