Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622570 | Process for removing accumulated meltable matter in pipes by means of a heated travelling element | Paulo Lima, Carmem Silvia D. D. Lobato | 1997-04-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622570 | Process for removing accumulated meltable matter in pipes by means of a heated travelling element | Paulo Lima, Carmem Silvia D. D. Lobato | 1997-04-22 |