Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632172 | Centrifugal pipe casting with progressively inclined and raised pour channel | Michel Francois, Michel Pierrel | 1986-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632172 | Centrifugal pipe casting with progressively inclined and raised pour channel | Michel Francois, Michel Pierrel | 1986-12-30 |