Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114524 | Method for the vertical manufacture of sandwich structural elements | Paul Svensson, Christer Nilsson, Jan Backlund, Leif Jilkén, Harry Kihlberg | 1992-05-19 |
| 4961810 | Method for the vertical manufacture of sandwich structural elements | Paul Svensson, Christer Nilson, Jan Backlund, Leif Jilkén, Harry Kihlberg | 1990-10-09 |
| 4891923 | Building structure | Bertil Ericsson | 1990-01-09 |