Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309951 | Method for deburring sheet metal parts, such as can covers | Helmuth Supik | 1982-01-12 |
| 4292095 | Process for hydrophilization of metal surfaces and/or metal oxide surfaces | — | 1981-09-29 |