Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588448 | Process for sealing anodically oxidized aluminium or aluminium alloy surfaces | Hans-Peter Baumann, Carl T. Speiser | 1986-05-13 |
| 4531979 | Sealing of anodically oxidized aluminum or aluminum alloy surfaces and compounds useful therefor | Hans Bohler | 1985-07-30 |