Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605718 | Process for the surface treatment of an article by sulphonation and neutralization | Fr ed eric Menu, Zdenek Hruska | 1997-02-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605718 | Process for the surface treatment of an article by sulphonation and neutralization | Fr ed eric Menu, Zdenek Hruska | 1997-02-25 |