Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D575378 | Joint for pipes to be used in arms for extraction of gases/fumes | Per Hedlund, Anders Nilsson, Lennart Strömberg | 2008-08-19 |
| D573707 | Arm for the extraction of gases/fumes | Per Hedlund, Anders Ehrenstråle | 2008-07-22 |