Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353531 | Process and installation for the handling and heat treatment of cast iron or steel pipes and tubes | Guy Mertzweiller | 1982-10-12 |
| 4330015 | Ductile cast iron pipe having constricted end casing | Claude Fuminier | 1982-05-18 |
| 4316495 | Method and installation for centrifugal casting | — | 1982-02-23 |