Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854149 | Reducing the diameter of tubular bodies | Paul Porucznik | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854149 | Reducing the diameter of tubular bodies | Paul Porucznik | 1989-08-08 |