Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323185 | Friction welding process for making hollow bodies such as rollers and similar articles | Walter Grilli, Ivano Ferrari | 1982-04-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323185 | Friction welding process for making hollow bodies such as rollers and similar articles | Walter Grilli, Ivano Ferrari | 1982-04-06 |