Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4203474 | Device for mechanically protecting the annular edge of a tube | Henri Chapuis | 1980-05-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4203474 | Device for mechanically protecting the annular edge of a tube | Henri Chapuis | 1980-05-20 |