Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4442154 | Longitudinally split sleeve | Hans-Jurgen Meltsch | 1984-04-10 |
| 4380486 | Machine installation for the production of thick-walled insulating pipes of foam synthetic resin sheets | Cosmas Lorry, Gustav Schweiger | 1983-04-19 |