Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5747724 | Shot pellets for game hunting on wet marshlands and method of manufacturing such shot | Per-Olov Lindgren, Karl-Erik Johansson, Kjell Johansson | 1998-05-05 |
| 5567223 | Method for dealing with mercury-containing waste | Per-Olov Lindgren, Anna Svedberg | 1996-10-22 |
| 5528988 | Shot pellets for wild game hunting and a method for its manufacture | Per-Olof Lindgren, Karl-Erik Johansson, Kjell Johansson | 1996-06-25 |
| 4780214 | Treatment of mercury contaminated lakes | Arne Bjornberg | 1988-10-25 |
| 4605544 | Method for producing selenium salts | Arne Bjornberg, Ulf Mårtensson | 1986-08-12 |