Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6331688 | Use of a metal powder for surface coating by submerged arc welding | Hans Hallen | 2001-12-18 |
| 5754987 | Vacuum unit and a vacuum toilet system comprising such a unit | Håkan Johansson | 1998-05-26 |
| 5747724 | Shot pellets for game hunting on wet marshlands and method of manufacturing such shot | Per-Olov Lindgren, Kjell Johansson, Karin Paulsson | 1998-05-05 |
| 5528988 | Shot pellets for wild game hunting and a method for its manufacture | Per-Olof Lindgren, Kjell Johansson, Karin Paulsson | 1996-06-25 |
| D310594 | Venturi unit for a vacuum lifter | — | 1990-09-11 |
| 4236920 | Steel alloy | Vaino Lampe, Staffan Gunnarsson | 1980-12-02 |