Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6395134 | Manufacture of paper and paperboard | Gordon Chen | 2002-05-28 |
| 6391156 | Manufacture of paper and paperboard | Bo Hjalmarson, Hans åsberg, Per Ola Eriksson, Torbjörn Ljungqvist, Gordon Chen | 2002-05-21 |