Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847094 | Apparatus for forming an end portion of a plastic pipe | — | 1989-07-11 |
| 4818209 | Mould and sealing ring | Stefan Petersson, Bror Gustafsson | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847094 | Apparatus for forming an end portion of a plastic pipe | — | 1989-07-11 |
| 4818209 | Mould and sealing ring | Stefan Petersson, Bror Gustafsson | 1989-04-04 |