Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825543 | Tool assembly for circumferential cutting of cylindrical pipe members | Alfred Thalmann | 1989-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825543 | Tool assembly for circumferential cutting of cylindrical pipe members | Alfred Thalmann | 1989-05-02 |