Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4305590 | Sealing arrangement for a shutter of a pressure grinder | Pekka Haikkala, Raimo Pessa, Matti Aario | 1981-12-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4305590 | Sealing arrangement for a shutter of a pressure grinder | Pekka Haikkala, Raimo Pessa, Matti Aario | 1981-12-15 |