Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331015 | Tube bending machine with axially movable inner core | Hubertus Benteler, Egon Olszewski | 1982-05-25 |
| 4331016 | Tube bending apparatus with elongated inner mandrel | Hubertus Benteler, Egon Olszewski | 1982-05-25 |