Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869460 | Actuating device for pipe-chamber feeders of hydraulic transport equipments | Laszlo Kocsanyi, Laszlo Ajtai | 1989-09-26 |
| 4865492 | Actuating device for pipe-chamber feeders of hydraulic transport equipment | Laszlo Kocsanyi, Laszlo Ajtai | 1989-09-12 |